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Sure, it may be excruciatingly difficult to make devices like digital media players or computers easy to use; but if a product is complex, intimidating or confusing, its chances for success are minimal.

对于一个好的用户体验来说，风格的典雅是非常重要的。但是模式并不是表面上看起来的东西，它是一个全局的过程，华丽的包装是不够的。

The competitive advantage in the junior stage is an advantage of the cost, deriving from the incensement in valid demand and supply of high technology products, economy of external scale and external scope, the specializing division of labour on the basis of specialization and the decreasement of transaction cost; but the advantage of the cost is difficult to maintain. The industry cluster competition advantage of the new and high-tach of senior stage is an innovative advantage, stemming from the innovation network of area, which is unable to imitate, existing for a long time.

初级阶段高新技术产业群竞争优势为成本优势，这种优势来源于产品的有效需求与供给增加、外部规模经济、外部范围经济、专业化分工及交易费用的减少，但成本优势难以持久：高级阶段高新技术产业群竞争优势为创新优势，来源于区域创新网络，创新优势无法模拟，可长期存在。

They can see through this facade and may find it difficult to trust people who are not true to themselves.

他们能看穿这种伪装的行为，觉得难以信任这种对其不真诚的人。

But it becomes difficult to repeated-root cyclic codes, because X -1 can not factor uniquely over a finite ring when n is not prime to the characteristic of the residue field of the ring.

主要内容分为以下几个方面：第一，给出了环F_2+uF_2上长度为2n的重根循环码及其对偶码的结构，进一步讨论了这类重根循环码与单根循环码二者之间的极小Lee-重量关系。

It is difficult to use the traditional sequential discrete event simulation method to describe the natural feature of parallel system--parallel, thus the simulation efficiency is low and the result of the simulation lacks factuality and reliability.

传统的串行离散事件模拟理论与方法难以描述并行系统并行性这一本质特征，从而导致模拟效率低，模拟结果缺乏一定的真实性和可靠性。

It's very easy to fall into the habit of smoking, but extremely difficult to quit.

要养成吸烟习惯很容易，但要戒掉却极其困难。

It's very easy to fall into the habit of smoking, but extremely difficult to stop.

要养成吸烟习惯很容易，但要戒掉却极其困难。

It's very easy to fall into the habit of smoking, but very difficult to stop.

要养成吸烟习惯很容易，但要戒掉却极其困难。

A conspiracy theory is the belief and empirical hypothesis that historical or current events are the result of manipulations by one or more secretive powers or conspiracies Because conspiracy theories are frequently difficult to support with evidence, they are used as derogatory words According to Karl Popper's philosophy of science and falsifiability criteria, conspiracy is not a science But in reality, conspiracy theories are not all baseless, irrational and deceptive

阴谋理论是一种信仰，也是一种经验假设，认定某些事件是由一个或几个有势力的秘密组织阴谋操控、秘密实施产生的结果。由于阴谋理论往往很难得到事实的佐证，因此成为一个贬义用语。按照波普的科学哲学观与检验理论科学性的标准，阴谋理论并非科学。但事实上，阴谋理论并非是无根据的、非理性的、虚伪的。

The Bollandists deal gravely with this story; and writers as difficult to satisfy as Archdeacon Farrar and the late Dean Stanley are ready to accept it as bearing on its face "every indication of truth" Farrar,"Lives of the Fathers", I, 337; Stanley, East.

该bollandists处理严重这一故事；作家难以满足作为archdeacon farrar和已故院长赤柱正准备接受它作为事关面子"，但种种迹象显示真理"（ farrar ，"生命之父"，我想， 337 ；赤柱，东方的

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。