He says the key for getting out of Afghanistan is to gain the trust of the Afghan people and to explain the exit strategy.

VOA: standard.2010.05.26

Now, as obvious a statement as that is in this algorithm, it turns out that is the key to this whole problem being solved correctly without my algorithm looping infinitely.

这是此算法中很明显的一句话，也是正确解决,整个问题的关键,否则此算法就会陷入死循环。

哈佛公开课 - 计算机科学课程节选

Nothing rules out the possibility that having the very same body is the key to being the very same person overtime.

一直以来，都没有依据去排除,同样的肉体是成为同一个人的关键,这个观点成立的可能。

耶鲁公开课 - 死亡课程节选

Republican political strategist Terry Nelson agrees that Pelosi was the key to passing health care reform, but points out that she is a polarizing figure for many conservatives.

VOA: standard.2010.05.11

It's deliberate that a lot of the examples in lecture are fairly short and bite-size so that you can actually focus on pulling out the key ideas without getting distracted by line and lines of code.

很多的演讲中的例子,是短小的,因此你们可以集中于提取其中的主要思想,而不是被一行行的代码给分心。

哈佛公开课 - 计算机科学课程节选

Late this year, scientists and politicians are to gather in Copenhagen for a key global climate-change summit in an effort to thrash out a consensus on cutting heat-trapping greenhouse gasses.

VOA: standard.2009.03.12

That's going to turn out to be key in our model as we'll see in a second.

这是此模型的关键,我们马上能见到

耶鲁公开课 - 博弈论课程节选

"It depends on what the Egyptians will do out of it and how they focus the investment foreign policy-wise in key spaces which are relevant to national security issues where Egypt has a greater chance of success."

VOA: standard.2009.11.03

And I think that turns out to be a great key to understanding what's happening, and everything you hear from me on this subject I learned from Hanson.

我想这对于你们能否理解,我从汉森那里学到的一些知识,是极为关键的一点

耶鲁公开课 - 古希腊历史简介课程节选

I think that with a lot of advocacy and, as you know now there is a good amount of popular faces, popular stars that also engage in HIV, whether it's through UNICEF, and recently UNAIDS has appointed its first regional Goodwill Ambassador and we are very happy that he's coming out loud, speaking about stigma and discrimination, speaking about the rights of our key populations, speaking about the time to act, speaking about the right policies, targeted action.

VOA: standard.2010.07.07

So it's not just knowing what genes or figuring out ways to look at gene expression, it's figuring out how this expression of key genes affects the fate of the individual.

所以我们不仅仅是要了解那些基因能致病,也不仅是要弄明白基因的表达方式,更要搞清楚这种关键基因的表达,如何影响个人命运

耶鲁公开课 - 生物医学工程探索课程节选

I just pulled out a common key.

我能得到一个通解

耶鲁公开课 - 基础物理课程节选

We've got some chords set out and we're going to-- we've got some chords set out here and we're in the key of C at this point, and we're going to hear Beethoven go to a tonic chord, then a sub-dominant chord, then a tonic chord, then a dominant chord and so on.

我们看到有一些和弦-,而我们现在在C调的位置上，然后听贝多芬的主音和弦，然后是次属音和弦，然后是主音和弦，接着是属音和弦，如此往复。

耶鲁公开课 - 聆听音乐课程节选

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？

耶鲁公开课 - 死亡课程节选