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A year ago,he was campaigning for the presidency on the presumption that Iraq was a big mistake and we needed to focus on Afghanistan.
VOA: standard.2009.09.22
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The risk tolerance curve for the tens of thousands of people that we needed to hire, you just couldn't quite get them.
由于风险承担曲线，我们需要雇佣数万名员工,但是却，雇不到。
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We needed them for the scene.
因为这个场景我们需要它们。
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"For one thing to be believable we needed to push another story line even further.
VOA: standard.2010.02.27
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So we needed to come up with another source, a renewable source, so we turned our attention to embryonic stem cells.
因此，我们需要一种替代材料，一种可以再生的材料，我们注意到了胚胎干细胞胚胎干细胞。
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I would have said that China needed us more than we needed them.
VOA: standard.2009.11.10
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We didn't just need that n, not just the principle quantum number that we needed to discuss the energy, but we also need to talk about l and m, as we did in our clicker question up here.
我们不仅需要ｎ,不仅要这个可以,决定能量的主量子数，还需要ｍ和ｌ,就像我们做这道题这样。
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"We needed to look at all the avenues to reduce our costs and the number one, of course,is our rent,and I asked the landlord to help me out, which they agreed,"
VOA: standard.2009.12.20
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What we needed was some mechanism of exerting some fixed force.
我们需要的是一些能够产生恒力的装置
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We needed something, we had to invent it." Over his long naval career, Walsh served in both the Korean and Vietnam wars, commanded a submarine and worked as a policy advisor and assistant to the secretary of the Navy.
VOA: standard.2010.06.21
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If we could get clear about what the answer to that metaphysical question the key to personal identity we'd at least know what we needed to find out to answer the question: ? Is this one person or two?
如果我们能知道,那个形而上问题的答案,对于人格同一性的关键,至少我们会知道,我们要知道什么来得出答案：,是同一个人还是两个人？
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"We needed rain yesterday,right,". "We needed rain most probably a fortnight ago for our crops to realize their full potential but most probably been 30 percent of our yield potential gone and every day it doesn't rain that will fall quite dramatically from there."
VOA: standard.2009.09.03
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So it's a really powerful and simple formalism, once we set up what is needed the go through it, right?
因此这是一种很强大而简单的形式,一旦我们定下需要什么,就可以推导出它，对吧？
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"We are able to do these transplants locally. We have got the expertise in this country and the only thing that we needed to do is to publicize and tell them, 'Yes,you do not have to spend all the money and go outside there, leave the comfort of your country and the beloved ones to have the transplants outside there - we can do it here."
VOA: standard.2010.05.30
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We did that during the Great Depression, when it suddenly seemed like we really needed to do something.
是在大萧条时期开始实行的，因为当时我们突然发现,确实该做点什么了。
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"It was like a giant jigsaw puzzle and the more we started to unearth and peel back the onion of who this guy was and what happened to him in the past and trying to truly understand the reason why he would be so obsessed with a specific case once we start to uncover these things about him we realized that once we explain one set of circumstances we needed to go even further with another set of circumstances."
VOA: standard.2010.02.27
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So, our bodies are capable of making antibodies that are tuned for all the potential antigens that we come into contact with, That's amazing that we have this capacity to respond and you respond only when needed.
所以 我们的身体具有制造抗体的能力,这些抗体对于各种潜在抗原具有特异性,我们具有只在需要时做出,免疫反应的能力 这太让人惊叹了
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He said the soil improvements are needed "if we are to reduce poverty and feed growing populations."
VOA: special.2009.01.20
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As we get different projects to train people in the UK, to positive psychology in their schools, the people that we draw on are MAPP alumni, because they have the education and foundation that is needed to be able to put through these projects.
中心有各种项目，去英国培训他人，向学校推广积极心理学，我们派去参与项目的是硕士生，因为他们有所需的教育背景和基础,去完成这些项目。
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Water is needed for cooling the body on hot days, and when we are working or exercising.
VOA: special.2010.07.27
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They might very well be storing the addresses of memory elsewhere, but we just needed them as sort of a cheat sheet, a little address card to know where the original values x and y were.
它们存储在内存的其他地方是可以的,但是我们需要一个备忘单,一个地址卡，来知道,原始的值x和y是什么。
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We have not been as focused as we need to be on all the various steps that are needed in order to deal with Afghanistan."
VOA: special.2009.02.21
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So, for example, if we needed to figure out the electron configuration for titanium, 4s2 it would just be argon then 4 s 2, 3d2 and then we would fill in the 3 d 2.
所以举个例子,如果我们需要解出钛的电子构型，它会是Ar然后，然后我们填充。
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"We realized pretty early on that it wasn't going to just be a marketing function, that there also needed to be a legal function involved with it.
VOA: special.2011.07.22
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All we really needed to know about it is that this is smaller right.
我们已经知道,这部分比较小。
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So,first of all, let me assert my firm belief that the only thing we have to fear is fear itself-- nameless,unreasoning,unjustified terror which paralyzes needed efforts to convert retreat into advance."
VOA: special.2011.03.17
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And we also, when we solved or we looked at the solution to that Schrodinger equation, what we saw was that we actually needed three different quantum numbers to fully describe the wave function of a hydrogen atom or to fully describe an orbital.
此外，当我们解波函数,或者考虑薛定谔方程的结果时，我们看到的确３个不同的量子数,完全刻画了氢原子,的波函数或者说轨道。
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So,first of all,let me assert my firm belief that the only thing we have to fear is fear itself - nameless,unreasoning,unjustified terror which paralyzes needed efforts to convert retreat into advance."
VOA: special.2011.05.19
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We started with the idea you needed to appeal to souls in order to roughly explain why human bodies move, why we're animated or why we move in nonrandom ways.
一开始,我们诉诸于灵魂这样一个概念,是为了解释,为何人类的肉体能移动,为何我们有生命力,为何我们能够非随机性的运动
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The examples we've done so far have been pretty straightforward, so we haven't needed to use formal charge to make this kind of decision.
我们之前做过的例题,都是非常简单直接的，因此我们还不需要,用形式电荷来做这种决定。
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