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I had learned in hospital.dr sumit was teacher for ECCE trainee.he is an IOL fellow.he always silence,maybe he couldn't understand what I say.avanind had a best idea for trainee for how to learn microscope surgy.i felt increased very fast.dr v was the founder for avanind hospital,I was admire for his doing more and more.avanind has a factory,I was very suprising when I visited their workshop, their shop can product all production about ophthalmic.like bistoury,eyedrop,all size suture,IOL,viscous,dye introeye etc.due to they product by themselves ,cost be very cheap.one case SICS cost only 6 dollars.this was main reason for they devolop free cataract surgey.

他总是不怎么说话，有可能是他听不懂我说的话。Aravind让实习生学习显微外科手术有一套非常好的思路。我感觉进步的非常快。V医生是Aravind医院的创建者，我是对他越来越敬佩。Aravind有一个工厂，当我参观他们车间的时候让我非常震惊，他们的工厂可以生产与眼科有关的所有产品。比如手术刀，眼药水，各种尺寸的手术缝合线等。由于是自产的，所以价格非常便宜。一个SICS病例只需要6美元。主要是他们对白内障手术开展免费业务。

Well I do this in my slumber summer I ain't none of these half-assed newcomers, you know how I do summer I drop heat, when you bring the sun up The combo make niggaz act up, I pick the gun up Niggaz back up; they know I'm not no fronter I don't talk shit, I just flip it +Un+ ya Sorry Lance, I'm just trying to advance my quotes I ain't making you the butt of my jokes But let's not stray from what I came to say To my beloved, think we need some time away They say if you love it, you should let it out its cage And fuck it, if it comes back you know it's there to stay It's tugging, at my heart, but this time apart is needed From the public, who should've gave me the pulitz' Instead gave me they ass to kiss But you know me, thugging 'til the casket dips But still shine light down on all my peers I know they weird... some queer, I still want them to share And all the success I received, I know you can't believe I still love 'em but they don't love me They like the drunk uncle in your family You know they lame, you feel ashamed, but you love 'em the same It's like when niggaz make subliminal records If it ain't directed directly at me, I don't respect it You don't really want it with Hov, for the record I put a couple careers on hold, you could be next kid Keep entering the danger zone You gon' make that boy Hov put your name in a song If you that hungry for fame, motherfucker c'mon Say when, take ten paces and spin But on another note,'bout to take another vaca' On another boat, goddamn a motherfucker rode His way out the hood, and I pray that I stay out for good But any day you know a nigga could Try and play like he Suge, then I gotta play like Dutch Schultz You pass the dutchie, I blast you, trust me Niggaz can't fuck with me I'm in a good mood, you lucky, I got a good groove And I ain't trying to fuck my thing up But I will lay down a couple green bucks, get you cleaned up Now I'm +Pulp Fiction+, Colt four-fifth and Young niggaz that blast for me/blasphemy, no religion Listen here summer baby, I just believe it's the right thing to do I got a brand new bitch, corporate America She showing me a lot of action right now And I know you put me on my feet and all, but I mean, it's time for me to grow You gotta let me go baby, you gotta let me go I'm done for now, so one for now Possibly forever, we had fun together But like all good things, we must come to an end Please show the same love to my friends Dear summer

好，我做这个，我沉睡的夏天，我不是这些半assed新人你知道我怎么做我夏季降热，当你把在太阳升起的二合一作出niggaz法，我拣了枪niggaz后盾；他们知道我不是没有一线，我不说屁话，我只挑它++联合国娅对不起长矛，我只是试图推进我国引号，我是不会令你天大的笑话我，但让我们不要再流浪从我来告诉亲爱的，认为我们需要一些时间，他们说，如果你爱它，你应该让出它在笼中，他妈的，如果他回来了，你知道它的存在，以保持它的拉着，在我的心但这个时候，除了需要来自公众，谁已经给我的pulitz '反而给我的驴子，他们的亲吻，但你也知道我， thugging '胡麻的椟点头，但仍焕发轻，取缔所有同行我知道他们怪异……有些奇怪，我仍然希望他们能够分享和所有的成功，我刚收到我知道你不相信我还是爱'统，但他们不爱我，他们像喝醉了，在叔叔你的家人你知道他们跛了，你会感到羞愧，但你爱的电磁相同它就像niggaz潜意识作出记录，如果不是直接针对我，我不尊重它，你真的不希望它与hov ，根据纪录，我把一对夫妇的事业停摆，你可以在未来保持跑步进入危险地带，你健在'，使男童hov把你的名字一首歌，如果你饿了，对名利，你娘c'mon时说，要花十年的腾飞和自旋，但在另一份说明，'布特采取另空泡的另一条船，福清一娘骑着出路的方巾，我祈求我留出好的，但有一天你知道了nigga可以试着玩像他素，然后推荐我喜欢扮演荷兰人舒尔茨递过dutchie ，我爆你，信任我niggaz不能他妈的，我用我的心情好，你运气好，我有一个好槽，我是不是他妈的我的事了，但我会打下夫妇绿钱，你得到清理，现在我纸浆+小说+， 1485五分之四和年轻niggaz爆我/亵渎的，任何宗教听听这里夏季宝宝我只是认为这是正确的事情要做，我有一个全新的荡妇，企业界她展示了我许多行动，现在，我知道你把我站起来和所有的，但我的意思是，它的时候，我成长你推荐，让我去宝宝推荐你让我走我不行了，所以一人，现在可能永远我们玩在一起，但象所有的好东西，我们必须走到了尽头请你拿出同样的爱，我亲爱的朋友夏天

But never was a fight managed so hardily, and in such a surprising manner, as that which followed between Friday and the bear, which gave us all (though at first we were surprised and afraid for him) the greatest diversion imaginable: as the bear is a heavy, clumsy creature, and does not gallop as the wolf does, who is swift, and light; so he has two particular qualities, which generally are the rule of his actions; first, as to men, who are not his proper prey; I say, not his proper prey; because though I cannot say what excessive hunger might do, which was now their case, the ground being all covered with snow; but as to men, he does not usually attempt them, unless they first attack him: on the contrary, if you meet him in the woods, if you don't meddle with him, he won't meddle with you; but then you must take care to be very civil to him, and give him the road; for he is a very nice gentleman, he won't go a step out of his way for a prince; nay, if you are really afraid, your best way is to look another way, and keep going on; for sometimes if you stop, and stand still, and look steadily at him, he takes it for an affront; but if you throw or toss any thing at him, and it hits him, though it were but a bit of a stick, as big as your finger, he takes it for an affront, and sets all his other business aside to pursue his revenge; for he will have satisfaction in point of honour; that is his first quality: the next is, that if he be once affronted, he will never leave you, night or day, till he has his revenge; but follows at a good round rate, till he overtakes you.

再没有什么战斗比"星期五"和大熊之间后来那场战斗更勇敢和更惊险的了。这场大战起初确实使我们感到很惊险，但最后却给了我们大家无比的娱乐。熊这种动物身体笨重，行动迟缓；不像狼那样一路小跑，又快又轻。因此熊具有两个特性，作为它的一般行动规则：第一、先说人，人不是熊的合适的猎物，我是说的"合适的猎物"；当然，像现在这种情况，地上全被大雪覆盖，熊极端饥饿时是否也会吃人，我就不敢说了。不过，人一般不要去攻击熊，除非熊首先攻击人；相反，要是你在树林里遇到熊，你不去惹它，它也不会惹你。不过你得特别小心，要对它特别客气，给它让路，因为它是一位非常可爱的绅士，就是王子，熊也不会给他让开一步的；如果你真的害怕，最好不要看它，继续走你的路。如果你停下来，站着不动，盯着看它，它就认为是对它的挑衅。如果你向它扔什么东西，打中了它，哪怕是一根只有手指头粗的棍子，它也认为是对它一种挑衅，就会不顾一切，实行报复；因为只有把荣誉挣回来他才会感到满足。这是熊的第一个特性。第二个特性是：熊一旦受到挑衅，就会日夜跟着你，直到报完了仇；哪怕绕上许多路，也要跟着你，直到把你抓住。

But never was a Fight manag'd so hardily, and in such a surprizing Manner, as that which follow'd between Friday and the Bear, which gave us all (though at first we were surpriz'd and afraid for him) the greatest Diversion imaginable: As the Bear is a heavy, clumsey Creature, and does not gallop as the Wolf does, who is swift, and light; so he has two particular Qualities, which generally are the Rule of his Actions; First, As to Men, who are not his proper Prey; I say, not his proper Prey; because tho' I cannot say what excessive Hunger might do, which was now their Case, the Ground being all cover'd with Snow; but as to Men, he does not usually attempt them, unless they first attack him: On the contrary, if you meet him in the Woods, if you don't meddle with him, he won't meddle with you; but then you must take Care to be very Civil to him, and give him the Road; for he is a very nice Gentleman, he won't go a Step out of his Way for a Prince; nay, if you are really afraid, your best way is to look another Way, and keep going on; for sometimes if you stop, and stand still, and look steadily at him, he takes it for an Affront; but if you throw or toss any Thing at him, and it hits him, though it were but a bit of a Stick, as big as your Finger, he takes it for an Affront, and sets all his other Business aside to pursue his Revenge; for he will have Satisfaction in Point of Honour; that is his first Quality: The next is, That if he be once affronted, he will never leave you, Night or Day, till he has his Revenge; but follows at a good round rate, till he overtakes you.

紧接着，星期五和那只大熊之间展开了一场最大胆、最惊人的大战。这场大战起初确实使我们胆战心惊，最后却使大家开怀大笑。熊的身体笨重，行动蹒跚，跑起来当然没有狼那样轻快。因此，他的行动有两个特点。第一，对人来说，他一般不把人当作猎食的对象；当然，像现在这样大雪遍地，极端饥饿的时候，这笨拙的大家伙是否也会吃人，那就很难说了。一般来说，要是在树林里遇到熊，你不去惹它，它也不会来惹你。不过，你得特别小心，要对它客气，给它让路，因为它是一位特别难以取悦的绅士，即使是一位王子走来，它也不肯让路。如果你真的害怕，最好不要看它，继续走你的路。如果你停下来，站着正视它，熊就认为是对它的侮辱。如果你向它丢点什么东西，打中了它，哪怕是一根小小的树枝，只有你手指头那么粗，熊也认为是一种侮辱。这时，它会把一切丢开不管，一心只想报仇，不达目的决不罢休。这有关它的荣誉问题，它一定要把面子挣回来才算满足。这是熊的第一个特点。第二个特点是，熊一旦受到侮辱，就会不分昼夜地跟着你，一直到报了仇才罢休，哪怕绕上许多路，也要赶上你，抓住你。

All this Labour I was at the Expence of, purely from my Apprehensions on the Account of the Print of a Man's Foot which I had seen; for as yet I never saw any human Creature come near the Island, and I had now liv'd two Years under these Uneasinesses, which indeed made my Life much less comfortable than it was before; as may well be imagin'd by any who know what it is to live in the constant Snare of the Fear of Man; and this I must observe with Grief too, that the Discomposure of my Mind had too great Impressions also upon the religious Part of my Thoughts, for the Dread and Terror of falling into the Hands of Savages and Canibals, lay so upon my Spirits, that I seldom found my self in a due Temper for Application to my Maker, at least not with the sedate Calmness and Resignation of Soul which I was wont to do; I rather pray'd to God as under great Affliction and Pressure of Mind, surrounded with Danger, and in Expectation every Night of being murther'd and devour'd before Morning; and I must testify from my Experience, that a Temper of Peace, Thankfulness, Love and Affection, is much more the proper Frame for Prayer than that of Terror and Discomposure; and that under the Dread of Mischief impending, a Man is no more fit for a comforting Performance of the Duty of praying to God, than he is for Repentance on a sick Bed: For these Discomposures affect the Mind as the others do the Body; and the Discomposure of the Mind must necessarily be as great a Disability as that of the Body, and much greater, Praying to God being properly an Act Of the Mind, not of the Body.

现在，再接着说说我接下去做的事。我把一部分家畜安置妥当后，便走遍全岛，想再找一片这样深幽的地方，建立一个同样的小圈地养羊。我一直往岛的西部走，到了一个我从前从未涉足的地方。我往海里一看，仿佛看到极远处有一只船。我曾从破船上一个水手的箱子里找到了一两只望远镜，可惜没有带在身边。那船影太远，我也说不准到底是否是船。

I was in some Degree settled in my Measures for carrying on the Plantation, before my kind Friend the Captain of the Ship that tool: me up at Sea, went back; for the Ship remained there in providing his Loading, and preparing for his Voyage, near three Months, when telling him what little Stock I had left behind me in London, he gave me this friendly and sincere Advice, Seignior Inglese says he, for so he always called me, if you will give me Letters, band a Procuration here in Form to me, with Orders to the Person who has your Money in London, to send your Effects to Lisbon, to such Persons as I shall direct and in such Goods as are proper for this Country, I will bring you the Produce of them, God willing, at my Return; but since human Affairs are all subject to Changes and Disasters, I would have you give Orders but for One Hundred Pounds Sterl.

当我经营种植园的计划稍有眉目时，我的朋友，就是在海上救我的船长，又回来了。这次他的船是停在这儿装货的，货装完后再出航，航程将持续三个月左右。我告诉他，我在伦敦还有一笔小小的资本；他给了我一个友好而又诚恳的建议。"英国先生，"他说，他一直这么叫我的，你写封信，再给我一份正式委托书请那位在伦敦替你保管存款的人把钱汇到里斯本，交给我所指定的人，再用那笔钱办一些这儿有用的货物。我回来时，如果上帝保佑，就可替你一起运来。可是，天有不测风云，人有旦夕祸福，我建议你动用你一半的资本，也就是一百英镑，冒一下险。

And they say there is no fate, but there is, it's what you create. And even though the world goes on for eons and eons you are only here for a fraction of a fraction of a second. Most of your time is spent being dead or not yet born. But while alive, you wait in vain wasting years for a phone call or a letter or a look from someone or something to make it all right. And it never comes, or it seems to, but it doesn't really. So you spend your time in vague regret or vaguer hope that something good will come along. Something to make you feel connected. Something to make you feel whole. Something to make you feel loved. And the truth is I feel so angry. And the truth is I feel so fucking sad. And the truth is, I've felt so fucking hurt for so fucking long. And for just as long, I've been pretending I'm okay, just to get along, just for…I don't know why.

大家都说没有所谓的命运，有的只是你所创造的东西，即使世界年复一年的转动，你也只是这一秒钟里极小的一块碎片，你们大部分的时间都留在生后或者生前，但当你们活着的时候，你只是徒劳的等着，浪费几十年去等来自某个人或某件事的一个电话、一封信或一次见面来使自己心安，但那从来都不会或者似乎要发生，但那真的不会发生，所以你再次花时间去茫然的后悔或茫然的希望接下来会遇上好事情，让你感到自己不是与世隔绝的，让你感到自己的存在，让你感到自己是被爱的，而事实是我很生气，而事实是我很伤心，而事实是我觉得我被伤害了很多年了，而同时我还一直假装我自己没事，去适应，去。。。

I've seen some good men get blown over G-packs In the Bronx where it's known to hear the heat clap And live niggaz get it on with the D-techs, SHIT, my life's legendary If I wrote down all in a book it would be very scary What you know 16 be missin' Benzes Rope chain down to my dick, the beef looks tremendous Me and my niggaz flip holes in bitches Back then, when I wouldn't even pose for bitches A-YO, you can ask dapadan who was the man Back in 88, every other week tricked 30 grand Even my bitches wore Gucci and Louie My peeps already in the crowd looking for groupies to screw me Exit the club, about to cruise up the block now with the taj, stay frontin' with top down See me in that new thing with my fiancee Ass so fat, making you say "Muchos GRANDE" Don't blame me, blame them, the white folk for giving me ten mil, for possessin' the tight flow WHOA [Chorus: repeat 2X] Ya'll wanna live my lifestyle Never seen a brick, never seen a crackhouse Wanna a war with the Don have your techs out Bring it on, and I'm show you gangsta [Verse 2] Yeah, yeah, uh, yo, blow half your head off, leave you with brain damage He got his shit rocked cause he didn't pay homage It's the Don of this rap shit, go on with that wack shit Heard you walked the dorm in a thong on your last bid Joey Crack is, the most official Toke the pistol for those who appose the issue I hope I convinced you to back up, really you acted up, believe me I could EASILY GET YOUR ASS TOUCHED And that sucks, ain't nobody could fuck with this Bullet shook could make you take a bucket of piss For runnin' your lips Got the fifth stuck in your ribs, don't make me...

我见过一些好的男人得到吹超过国包在布朗士区，它在已知听到热拍住niggaz得到它同为d -科技股， shit的，我的一生的传奇如果我写下来的一本书，这将是非常可怕的你知道16 missin ' benzes 绳链，以我的迪克，牛肉看起来巨大我和我的niggaz倒装孔犬当年，当我甚至不构成对犬-顿，你可以要求dapadan谁是男子早在88 ，每隔一周骗30大甚至我的犬穿着诺特美联社11 我的peeps已经在人群中寻找groupies以螺丝我退出俱乐部，即将邮轮了，现在座与泰姬陵，逗留frontin '由上而下见我在这件新鲜事，我的未婚妻群丛，使脂肪，使你说& muchos重创&不要怪我，责怪他们，白民歌给我10 mil ， possessin '紧迫流 whoa [合唱：重复2倍速] ya'll想住我的生活方式从未见过砖，从未见过crackhouse 想要战争与顿河有你的科技股列使之对，我敢表明您gangsta [韵文2 ] 嗯，嗯，嗯，协青社，打击了一半，你的脑袋过，留给你的脑损伤他得到了shit的轰动的原因，他不来顶礼膜拜它的顿河的此次rap shit的，继续与wack shit的听到你走到公寓在一个通对你的最后一个申办乔伊裂纹，最正式 toke手枪对于那些appose问题我希望我确信你回来了，真是你们的行动了，请相信我我可以轻易获得您的依次为感动并且吸收，是不是任何人都无法他妈的这子弹震撼了，可以使你的一桶独立私校为runnin '你的嘴唇获得第五停留在你的肋骨，不要让我。。。

I still remember a cold evening in 2003's winter,when the snowflake was blusterous in the sky,and when the road was much pale owning to the ice on the ground, and I had only two choices in front of me,going abroad or pursuing a postgraduate degree,maybe others didn't know my suffering,but I did,for my English was so poor that whichever I chose ,it would not be avail for me at last,I participated in a series of English classes,reading and writing all day long,I was very sorry that I had troubled too many friends, as a result ,I could simply communite with our foreign professor,but the problem was not simple,I got a low mark in my Toefl test,thanked to the language class in the school abroad,I arrived at Quebec three monthes later,my first impression about this city was cold, since my hometown is located in the south of the Yangtze River, I have to imagine what does the 'heavy snow' mean cause there are always snowing lightly,to my surprise,almost half a year it was heavy snowing in the city,and it did really satisfy my desire about the snow,furthermore,we also had a long holiday,when I got there,most of my classmates were prepared for their vacation ,so I could asked for help from the senior, maybe I was not tall but sometimes the snow on the ground was taller than me,actually ,I had a good time when I stayed with my friends for we have a common language named chinese,the language class was simple for me,but the teacher was serious,whether you passed the course or not was depended on her, so you'd better don't offend her,thank godness, I passed this class at first time after a few monthes,then began with the other courses,it was said that chinese students abroad was the most assiduous in the world,and that was ture,usually,we didn't have a strong suit in the ability of a foreign language,since it asked for some understanding in our course,so I had to borrowed the note from others when I first went to class,how times fly,my GPA first was above 4.0 at that time,I phoned my relations,telling them I was okey there,but in the first evening of that holiday,a fire broke out in our dorm,I couldn't find my passport after the incident,though most of our res were moved outside,maybe it was burnt out or was lost at somewhere,but it told me that I couldn't stay longer in this city,we comforted each other for a while,''Goodbye!

雪花在2003年一个寒冷的夜空中无情的肆虐着，回家的大道被雪映的煞白，而摆在我面前的却只有两条窄窄的小路，考研，出国，也许别人不会知道我的痛苦，可是我清楚，其实我的英语很烂，现在不管选那个，好像对我都不利，我疯狂的去参加一Qy系列的英语辅导班，从早到晚大声的阅读，没天没地的做题目，以致招来了很多非议，感觉可以和外教简单交流了，可是我的托福成绩还是不堪入目，不过好在那边学校开了语言课，所以三个月后，我还是顺利来到了加拿大的魁北克省，那里给我的第一感觉就是一个字'冷'，我们江南一般下小雪，大雪是什么只能靠想像了，不过那边将近有大半年的时间都在下大雪，让我这个雪盲好好过了一把雪瘾，不过假期也长，我去的时候大多已不上课了，所以可以找到学姐，学兄，也许是我的个子不太高，不过积雪有时完全可以把我湮没，和他们在一起感觉很亲切，很开心，也许我们在一起都说汉语吧，语言课是比较简单的，不过老师很变态，她说行才行，不行你就是行也不行，所以这个老师是绝对不能得罪的，学了很长一段时间，语言考试通过了，就可以正常上课了，呵呵，都说中国留学生最刻苦了，不苦行么，我们语言能力一般都不是强项，加上课程需要一些理解的能力，初次去听课，不借阅他人的笔记是绝对不行的，时间总是晃的很快，那次的GPA成绩第一次超过了4.0，打了电话回家，报了平安，可是假期的第一个晚上就发生了一些小小的意外，一把无名火把我们住的地方烧了，当时东西都搬出来了，好在没有损失什么，可是后来检查了一下，我的护照怎么都找不到了，也许是烧了吧，也是是掉了，反正这件事也告诉了我，魁北克我是待不长了，朋友们在一起相互惋惜了一阵。

Most of the e-learning research topics focus on metadata of learning object. These studies extract useful information from metadata, and use them to organize the LOs. However, to understand the metadata is not enough to organize the multimedia-style LO in meaningful manner. The comprehensive multimedia-style LO is especially useful for mobile learners to choose what they really demanded. In order to attack the problem, this project uses multi-agent technique to develop a personalized hyper-seamless learning environment for managing LOs comprehensibly. Following that, the proposed environment coordinates two agents: Content Reorganize Agent, and Zone Agent to provide mobile learners the efficient multimedia-style learning experience. The CRA is responsible for reorganizing the discovered critical multimedia content by analyzing learner』s behavior and the multimedia』s annotation. The ZA is designed for terminal devices to monitor the learning behavior, and it sends the collected behaviors to CRA for evaluating. Moreover, the ZAs can communicate with each other, and they can self-organize as a group for sharing learning resources. Due to the cooperation of the two agents, the learning environment can give the properly multimedia-style LO for learners without bandwidth squandering. Finally, we expect this project can construct a comprehensive multimedia-style LO map for efficient personalized seamless learning.

中文摘要大多数的数位学习研究著重於如何利用学习物件的Metadata来组织管理学习物件，然而只透过Metadata仍旧无法有效管理多媒体形态之学习物件，多媒体学习物件的内容若能被了解，则学习者能正确的选择所需的学习内容，尤其是行动学习，能正确选择行动内容不但能减少频宽的浪费，亦能有效利用行动装置有限的资源，有鉴於此，本研究计画拟利用多重代理人机制发展个人化超无缝学习环境来管理内容可被理解之多媒体形态学习物件，在超无缝学习环境中Content Reorganize Agent 与Zone Agent 这两支代理人程式负责协调作业以提供高品质之行动学习经验，其中CRA所负责的工作为分析学习行为与学习物件之注解找出多媒体关键内容来重组具备学习主题之多媒体学习内容，而ZA为安装於学习装置端的代理人程式，其负责监督学生在学习过程中产生的行为，并将该资讯传回CRA以供分析，此外ZA与ZA之间具备自我群聚组织的能力，同一群组下的ZA可彼此共享所需的学习资源，透过CRA与ZA的合作，个人化超无缝学习环境能在不浪费网路频宽的前提下，提供正确且合适的多媒体学习物件给行动学习者，最后我们预期透过本计画的执行能够建立具备内容理解能力之学习物件模型，并利用此模型提供有效率的个人化无缝学习。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。