Why do we need energy efficiency experts? Introducing them means hitting the energy monopolist over the head.

VOA: standard.2010.02.03

So if you had some number back in grade school like 123, well, why do we express this as 123?

在小学，像123这样的数，为什么我们要表达成123这样的呢？

哈佛公开课 - 计算机科学课程节选

Why do we live?

我们为什么活着？

I wish 实战 - SpeakingMax英语口语达人

(Speaking) "Why do we need bio-tech experts?

VOA: standard.2010.02.03

Now why--and here is the question why do we get this nervousness about the relationship between what I know and how I know it arising at this moment?

问题是,为什么那时候我们对,我知道什么和我如何知道的关系如此神经紧张？

耶鲁公开课 - 文学理论导论课程节选

why,when we do not sleep, we do not function well. We just do not know much about sleep at all."

VOA: special.2009.08.26

So, he writes: To the psychologist alone can such questions occur as: Why do we smile when pleased and not scowl?

他这样写到：,对哲学家本身说,会出现这些问题：,为什么开心时我们微笑而非皱眉？

耶鲁公开课 - 心理学导论课程节选

"Why should we do something when we've already done it?" But he recognizes that some people have strong feelings about the issue.

VOA: special.2010.04.28

Why do we have the Renaissance, the baroque period the classical period, the romantic period and so on?

为什么我们会有文艺复兴时期,巴洛克时期,古典主义时期,浪漫主义时期

耶鲁公开课 - 聆听音乐课程节选

"We have had a lot of inquiries about that,". "And it does not have anything to do with why we are actually down there.

VOA: standard.2009.10.20

Now you might wonder, why do we have dictionaries?

现在你们可能会有疑惑了，我们用字典来干什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

"Why should we do something when we've already done it." "Going to the moon or going to Mars is about as interesting to people as say going to Antarctica."

VOA: standard.2010.04.15

and why do we make it so hard to amend our constitution.

正是因此，我们修订宪法才会如此困难。

耶鲁公开课 - 公正课程节选

"The reason why I do not think it is likely is because of all the resources we have put on this, considerably more than the last administration did, to see to it that it will not happen."

VOA: standard.2010.02.14

Why do we call it the Periodic Table?

为什么我们叫它周期表？

麻省理工公开课 - 固态化学导论课程节选

"National security is something that is at risk. And that is why what we are trying to do is ensure that our networks our government networks, our private sector networks have the ability to withstand these attempts to hack in and to conduct activities."

VOA: standard.2010.02.07

Why do we talk about them as the fundamental units?

我们为什么说细胞是基本单位呢

耶鲁公开课 - 生物医学工程探索课程节选

Why do we have these two courses?

我们为什么要开设这样两门课呢

耶鲁公开课 - 金融市场课程节选

Why do we engage in it?

我们为何想要加以研究？

耶鲁公开课 - 政治哲学导论课程节选

Why do we just see one for all the p's?

为什么我们只看到了一条只是关于，p，的？

麻省理工公开课 - 化学原理课程节选

Can we explain why the ones that do break down break down and the ones that don't break down don't break down?

我们能解释,为什么那个分裂了的原子分裂了,而没分裂的原子没有分裂吗

耶鲁公开课 - 死亡课程节选

And later in the semester we will tease apart just a little bit what these patterns are and why they do what they do.

过一段时间，我们会知晓它们的模式是什么,为什么它们这么做，它们都做了哪些事情。

哈佛公开课 - 计算机科学课程节选

So you really want to think about why we're modeling, what do we get from this exercise?

你们要多问问自己为什么要建模,我们能从这些模型中学到些什么

耶鲁公开课 - 博弈论课程节选

Why did they do that? Well, we don't have to do a lot of guessing.

这是为什么呢,我们不用瞎猜

耶鲁公开课 - 古希腊历史简介课程节选

Why did we do that?

为什么这样做呢？

麻省理工公开课 - 媒体、教育、市场课程节选

So, why don't we do that together?

所以，不如我们一起来做吧？

耶鲁公开课 - 现代诗歌课程节选

So they thought, "Alright, if the company is so great, if we have such a bright future, why you don't do a better job for your employees than the other Internet companies?" It was a tough call for me.

于是他们觉得：“如果百度真这么好，如果前景真的如此光明，为什么不能在员工待遇方面,做得比其他公司更好呢？“，那时我感觉左右为难。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

Why do we have this periodicity when you take history courses?

为什么我们上历史课的时候会有一个一个时期

耶鲁公开课 - 聆听音乐课程节选

Why do we know that? Because it's loud.

我们怎么知道的？因为笑很大声。

耶鲁公开课 - 心理学导论课程节选

How are we going to do this? Why do we want to do this?

咱们怎么听写呢,为什么要做这个

耶鲁公开课 - 聆听音乐课程节选