Here is her opinion on why people like chocolate so much: "Well,scientists tell us that we all love chocolate because there's a chemical response that takes place in our brains.

VOA: special.2010.02.17

That is why you paid so much money to come here.

那就是你们为什么要花这么多钱来这的原因。

麻省理工公开课 - 固态化学导论课程节选

So like football, that's why Americans like it so much,

就像橄榄球，因此美国人喜欢，

美国和美式足球 - SpeakingMax英语口语达人

A newly released history of 20th Century Russia, written by a team of 45 scholars and edited by historian Andrei Zubov, includes a statement that much of the country's recent past is painfully difficult to study, which is why many refuse to do so.

VOA: standard.2009.12.25

Why don't you use something that has much lower energy?

为什么你不用一些,能量更低的东西呢？

麻省理工公开课 - 固态化学导论课程节选

So that's why Yale is much more generous with financial aid than other universities and why we have beautiful -of course, this room was built,I believe, in the 30s.

这就是为什么耶鲁在助学金方面,比其他高校要慷慨的原因,也是为什么我们有美丽的...,当然,这间教室应该是建于30年代

耶鲁公开课 - 金融市场课程节选

Does anybody know why so much time is spent on that? Yes?

有谁知道为什么要在这上面花这么多时间吗,你说

耶鲁公开课 - 基础物理课程节选

Well, we can't guarantee with UV light we'll have enough energy to eject every single electron, so that's why when we use x-rays, they're higher energy, you can pretty much be guaranteed we're going to eject all of those electrons there.

好，我们不能保证紫外光有足够的能量,激发出每一个电子，所以我们要使用，X，射线，它的能量更高，你可以非常确定,我们可以激发出其中所有的电子。

麻省理工公开课 - 化学原理课程节选

Why is this much nice? Well, that's a handy piece of code. Because imagine I've got that now, and I can now store that away in some file name, input dot p y, and import into every one of my procedure functions, pardon me, my files of procedures, because it's a standard way of now giving me the input.

为什么这样很好呢？,这是一段很好用的代码,因为想象下如果我有了这段代码,我能把它用某个文件名保存起来,后缀是。py，导入到所有的处理函数中,抱歉，我的处理文件,因为这是一个标准的输入方法。

麻省理工公开课 - 计算机科学及编程导论课程节选