有需要

They may possess precious and amiable traits, but they are nerveless and almost useless when difficulties are to be met or obstacles surmounted.

他们或许拥有宝贵可爱的特长，但及至遇到困难需要应付，或有逆境需要克服时，却毫无勇气，简直是无用的人。

We only hear that creature with wings can fly but never hear that creature like man without wings can fly. We know that people with experience and learning can read some books and make some comments but we don't know many 'ways of nescience' can do those without experience and learning.

我们只听说有翼的生物会飞，可是没听过没有翼如人的生物会飞；我们知道有经验，有学历的人会做些事，读些书，发表些意见言论，可是我们不知道有许多"无学之术"是不需要经验学习就会做的。

Boy's books at the local news agent were a source of Air stories.

我追随着她的左右，看看有甚麼事情可做，我需要一些兴趣，我需要一个挑战。

First, when there is no-risky security but no consideration on transaction costs, based on the concept of asymptotic returns rate, we present the concept of asymptotic efficient frontier of portfolio and its determining method.

当有交易成本存在时，我们说明：若标的股票的投资比例在非交易区域时，投资者不需要进行交易；而当股票投资比例超出非交易区域时，投资者需要进行交易使标的股票的投资比例回到非交易区域内。

Thus, they require flexibility and they need to have the ability for parallel processing and multi-tasking.

因此，他们需要有灵活性，他们需要的并行处理能力和多任务。

If we don't have the guarantee of thereestablishment system of social capital,the local government can't achieve goodperformance .The good performance need the participance of the public and needabundant social capital as the basis.

没有社会资本重建这一有效社会动员机制的保证，地方政府的良好绩效也不可能实现，因为良好的地方政府绩效的实现需要公众有活力和有效率的参与，需要丰富的社会资本作为基础。

Now we also need to determine the ecliptic longitude of perigee of the sun on this same day. This changes very slowly, thus we need know only the year to compute it with sufficient accuracy.

现在，我们还需要确定黄道经度的近地点的太阳就这同一天，这变化非常缓慢，因此，我们需要知道，只有今年来计算，它有足够的精度。

Moreover, you can always contact us when you need to consult our medical staff about your personal health care.

如果你有服务需要可以与酒店服务台联系，需要医疗健康咨询可联系我们的医务人员。

Regardless of what you write about, you need to be persuasive and develop a distinct voice.

不管你写什么，你需要有说服力，需要培养一个明显不同的声音。

If you have phobias and want help ,or know a phobic person who wants help,ask your doctor for help in finding a specialist.

假如你有恐惧症或者是你需要帮助，再或者是你知道一个恐惧症的患者需要帮助，在你的一生的帮助下就会找到一个这方面的专家。

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％。