This constant need to prove that one is as good as or better than one' s fellow-competitor creates constant anxiety and stress, the very causes of unhappiness and illness.

他们需要不断地证明自己与竞争对手同样优秀或者超过对手，从而不断地产生忧虑和压力，这正是不幸疾病的起因。

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One woman said, "I think there`s enough excuses not to date someone in New York. ... Bedbugs doesn`t need to be added to it."

一位女士说道：“纽约人拒绝约会的借口已经足够多了，没必要再把床虱加进来。”

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Once again we need to turn to that single one-sided study done by Ancel Keys in the early 1950's.

再次，我们需要看看Ancel Keys在50年代初做的单方面研究。

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"The Patriot missile is moveable, and it's obviously not enough because we need 20 such missile batteries and we got only one."

VOA: standard.2009.10.22

So what would I want to do? I'd like to somehow walk down each of the digits one at a time and add them up. Ah, that's a looping mechanism, right? I need to have some way of walking through them.

去取这个数的,每个数字然后把他们加起来,啊，这是个循环机制对不对？,我得找到一个遍历它们的方法,一种简单的方法可能。

麻省理工公开课 - 计算机科学及编程导论课程节选

To be a king, one need merely put forth one's regal state, one simply needs to act kingly.

欲称王，只需要有帝国的疆域，言行举止好似一个王就可。

耶鲁公开课 - 弥尔顿课程节选

To underscore the importance of reliable airborne transport to today's military, one need look no further than the Pentagon's new Quadrennial Defense Review (QDR).

CENTERFORSECURITYPOLICY: The QDR and strategic mobility

Scottish Conservative transport spokesman David Davidson highlighted what he called "Scotland's number one transport need" - a new Forth crossing.

BBC: NEWS | UK | Scotland | Transport 'roadmap' for way ahead

That's one thing I need to improve on.

BBC: Halfpenny targets 2013 Lions tour