And so on. Why a banana?

VOA: special.2009.11.29

Of course. Well, I think that's why a lot of people buy art.

当然。嗯，我觉得就因为这个很多人才买艺术品。

关于购买艺术品 - SpeakingMax英语口语达人

If evolution wired us up simply to survive, then it's a puzzle why animals would relate positively to other animals.

如果进化仅让我们生存，那么这是个谜题,为什么动物之间确定有联系。

耶鲁公开课 - 心理学导论课程节选

"Why aren't more science talks in a bar,right? Like this is the place where you learn and you ask and you understand things most quickly, instead of a lecture where it's really just a one-way thing."

VOA: special.2010.05.14

Right? And can someone who agrees with Matt say a little bit more about why a lottery would make it, in your view, morally permissible.

对吧，有没谁同意马特的说法,再来说说为什么通过抽签,让你觉得，在道德上可以接受。

耶鲁公开课 - 公正课程节选

"About a week before this was offered to me I was saying to a friend 'why are they making so many vampire movies?

VOA: standard.2009.11.23

Why are we having a debate over Social Security?

为什么我们对社会保障存在争议呢

耶鲁公开课 - 美国内战与重建课程节选

A middle-aged man who works at the market complained that it made no sense to him why anyone would put a bomb in a crowded vegetable market: He said that all the traders and sellers were going about their business when the explosion took place.

VOA: standard.2009.06.01

But, you know why not do something a little special, little different, and they decided instead to use lithium.

但是你懂的，为什么不做的更特殊，更与众不同一些呢？

麻省理工公开课 - 化学原理课程节选

Robert Fulton would say for the rest of his life that he had no idea why he said such a thing.

VOA: special.2009.01.14

John's are much better, by the way, which is why Thursday will be a much better lay-- a better lecture.

顺便说下，约翰的笑话可能好些,这也就是为什么周四会是更好的一天-,你们听的是更好的讲座。

麻省理工公开课 - 计算机科学及编程导论课程节选

The female is much smaller. Institute director Steven Monfort has a reason why the clouded leopard may be rare.

VOA: special.2010.06.22

I don't know why they make such a big deal out of the person landing on the moon.

我不理解人类登月,有什么大不了的。

哈佛公开课 - 幸福课课程节选

Here Gregory Anderson talks about why languages are important: "Language is in many ways, a window to the mind.

VOA: special.2009.12.02

That's why there's a lot of emphasis on sharpening your teeth by doing this class of problems.

这就是为什么强调要通过解决这些问题,来提高你的能力

耶鲁公开课 - 基础物理课程节选

No one knows why. Roanoke is a low, narrow island between the mainland and the islands of the Outer Banks.

VOA: special.2009.08.17

Why do you get rid of a kingdom? Why would you get rid a king?

为什么要抛弃那样的君主,那样的王国呢

耶鲁公开课 - 古希腊历史简介课程节选

But there were questions about why new restrictions on companies had excluded contracts dated before February eleventh,including those at A.I.G.

VOA: special.2009.03.20

Now, why have a story with a sperm as a narrator?

为什么要把精子作为叙述者呢？

耶鲁公开课 - 1945年后的美国小说课程节选

But why is that? A study published in two thousand three in the journal Science offered an answer.

VOA: special.2009.06.24

Why do they have a high melting point and boiling point?

为什么会有高熔点,和凝固点呢？

麻省理工公开课 - 固态化学导论课程节选

We will give a possible explanation for why some people may have an increased risk of developing diseases like diabetes and asthma.

VOA: special.2009.11.24

Can anybody tell me why to a person in this room we all responded positively to the Ninth Symphony and somewhat more anxiously to the Fifth Symphony?

谁能说说为什么在这间教室里,每个人对第九交响曲的反应是积极的,而大多数对于第五交响曲是消极的呢

耶鲁公开课 - 聆听音乐课程节选

"Why would you want a plastic that you use for a year to last for two hundred years?

VOA: special.2010.06.01

But there's a second reason why this is a really bad deviation.

但认为这是很差的偏离还有第二个原因

耶鲁公开课 - 博弈论课程节选

That is why it is hard to tell a powerful storm, Hurricane Andrew, caused severe damage to the area in nineteen ninety-two.

VOA: special.2009.06.30

You might say, why should a company exist for the shareholders?

你可能问,公司为何要为股东存在呢

耶鲁公开课 - 金融市场课程节选

A question from Taiwan: Chung Li wants to know why his face turns red when he drinks alcohol.

VOA: special.2009.05.13

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

The remainder of the Republic is, again, devoted to crafting the regime that will produce a distinctive kind of human character, and that of course is why the book is a utopia.

理想国》的往后章节，是全面致力于刻划能催化,独特人类性格的政体，那也当然就是为何此书是本乌托邦。

耶鲁公开课 - 政治哲学导论课程节选