Some Americans had trouble understanding the economic reason why food had to be destroyed so people could have enough to eat.

VOA: special.2011.03.24

And Moses said to the Lord, "Why have You dealt ill with Your servant , and why have I not enjoyed Your favor, that You have laid the burden of all this people upon me?

摩西对上帝说，您为何苦待你的仆人，为什么我得不到您的恩典呢？,您把所有人的重担都给了我一个人？

耶鲁公开课 - 旧约导论课程节选

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

"Why did you have to marry me when there were so many other girls to choose from?" she asked.

VOA: special.2009.06.27

And the woman said in effect, "Why have you brought this?" Anyway.

那个女人却一板一眼地说,"你干吗带这些来",不管怎么样

耶鲁公开课 - 美国内战与重建课程节选

The delays may be one reason why graduate school applications from international students have slowed for the third year.

VOA: special.2009.06.11

The reason why I have "Time-ins"... This is something that I am introducing this year for the first time.

之所以进行“练习时间。,这是今年新提出的。

哈佛公开课 - 幸福课课程节选

"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

- And we can think about why -- essentially we have fluorine and now we're adding another electron. So you can picture that fluorine is going to get larger in this case And that would be true for all of the negatively charged ions.

我们可以想一想这是为什么-,本质上来讲我们现在给氟原子加上了,另外一个电子,因此大家可以想象在这种情况下氟将变大,而且这对于其它负离子也是成立的。

麻省理工公开课 - 化学原理课程节选

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

so why do you have the second chapter of this book retell the same story that the first chapter of the book told?

为什么一本书的第二章,要重复一遍第一章说过的故事？

耶鲁公开课 - 新约课程节选

They say their findings offer one reason why the custom of cursing may have continued for so long.

VOA: special.2009.08.18

One of the reasons why human cells have compartments is because their functions are segregated into regions.

人类细胞有区隔结构的一个原因,是为了把不同生理功能隔开

耶鲁公开课 - 生物医学工程探索课程节选

Two new studies have investigated why fewer females,compared to males, study and work in the so called STEM subjects in the United States.

VOA: special.2010.04.01

I think one reason why they may have changed it in 2003 is that interest rates were getting really close to zero in 2003.

我认为其中一个,为什么他们在2003年改变了它的原因,就是利率在2003年真的快要接近零了。

耶鲁公开课 - 金融市场课程节选

That's why I am paying attention more." Jobs have continued to disappear, though at slower rates.

VOA: special.2009.08.21

The discussion I skipped was the discussion of why we would have an unconscious at all.

我所跳过的是关于,“我们为何会有无意识“，的讨论。

耶鲁公开课 - 心理学导论课程节选

Later,we will tell why animals once thought to have disappeared have been returning to the wild.

VOA: special.2010.06.22

A different response, of course, is why couldn't we have robots that just build more robots?

另一种不同的回应,为什么我们不能拥有制造机器人的机器人呢

耶鲁公开课 - 死亡课程节选

People can't afford them. That's why we don't really have a malaria vaccine yet, because no one in rich countries really suffers from malaria.

VOA: special.2010.03.29

In fact, I do this as well, I mean I have water with me and I have no idea why because I'm not particularly dehydrated.

事实上,我也整天带着水壶,我是说我随身带水,但又不知道为什么要带,因为我并没有特别的脱水症状

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The findings also led the researchers to consider why some sharks have strangely shaped heads.

VOA: special.2010.08.03

But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.

但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。

麻省理工公开课 - 媒体、教育、市场课程节选

But why do we have wisdom teeth if we often need to get them removed?

VOA: special.2011.08.10

I found that he was inhibited by doing the reading because some are coming in and telling me about why do I have to do it.

我发现在做阅读时他很内向,因为阅读时会有人过来,告诉我为什么我要阅读。

麻省理工公开课 - 电影哲学课程节选

Many years after Hank Williams' death, new fans of his music have asked why he could put so much of his life into his songs.

VOA: special.2009.11.22

Segfault. And why might I possibly have done that?

段错误，为什么可能出现这种情况呢？

哈佛公开课 - 计算机科学课程节选

"But," he went on, "there is no reason in the world why Negroes should not have all the natural rights listed in the Declaration of Independence.

VOA: special.2009.06.11

Yeah, that's exactly right, and that's why we have a constitutional amendments.

是的，那非常正确，正是因此我们有宪法修正案。

耶鲁公开课 - 公正课程节选

There's no particular reason why games have to be symmetric.

博弈未必都是对称的

耶鲁公开课 - 博弈论课程节选