"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

So when I expand this gas adiabatically and it cools down, why do you think it might cool down?

现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？

麻省理工公开课 - 热力学与动力学课程节选

I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

But I want you guys to think about why it was difficult to do it another way, which is more pedestrian.

但是我希望你们能思考一下,为什么用另一种更普遍的方法来做,反而会比较难呢

耶鲁公开课 - 基础物理课程节选

I think it's easy to see why Milton would have wanted to do this.

可以很容易看出弥尔顿希望这样走。

耶鲁公开课 - 弥尔顿课程节选

So let's start somewhere; what we're going to do is we'll refer back to this other picture, which is why I left it here.

就从这里开始着手吧,我们先来参考一下之前的图像,所以我之前没有擦掉它

耶鲁公开课 - 博弈论课程节选

I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"

我相信这一点，但为什么我们需要把它,作为课程的基本前提，而不说'改变是虚幻的“

哈佛公开课 - 幸福课课程节选

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

I do it a lot. Why do I do it?

我经常这样做，知道为什么吗？

耶鲁公开课 - 1945年后的美国小说课程节选

If you pay me ten thousand dollars a month to work for you, I'll work for you and I'll think "I'm doing it for ten thousand dollars a month, that makes a lot of sense," but if I do it for nothing then I have to ask myself, "Why am I doing it?"

如果你一个月给我一万美元帮你工作，我会为你工作，但我会想,”我是为了一万美元才做的，这样更合理“,但如果我一点报酬都没有，那我就会问我自己，”我为什么要做这份工作？”

耶鲁公开课 - 心理学导论课程节选

And then of course, once we figure out why not, we try and fix it. but today I'm going to emphasize not how do you fix it, but how do you find out what's wrong.

我们就会去尝试着修复程序，但是今天我强调的,并不是怎么去修复，而是怎么找出来错误原因。

麻省理工公开课 - 计算机科学及编程导论课程节选

OK. So. Why did I do it? It's a simple example, I agree, but notice what I just did. It allowed me to highlight, is the code doing the right thing?

这是一个简单的例子，我同意，但是请注意我刚才是怎么做的,我通过它想要强调，代码是做了正确的？

麻省理工公开课 - 计算机科学及编程导论课程节选

The reason why I do put them up is so that you have the opportunity if you want to see it again or if you have to miss a class.

我之所以把资料放在网上是为了,让你们可以重温或者学习错过的课程。

哈佛公开课 - 幸福课课程节选

Why would I want to do it differently?

不同的方式来做呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

But in fact, it is not. And so, something I find myself repeating over and over again to myself, to my graduate students, is when you get an answer from the computer, always ask yourself, why do I believe it?

但是实际上，它并不是，因此，我一直一遍又一遍的重复的,给我自己和你们这些学生的就是,当计算机给出一个答案后，一定要问问自己为什么要相信这个答案？

麻省理工公开课 - 计算机科学及编程导论课程节选

Some of you are probably going to be doctors and you don't know why I'm going to do special relativity or quantum mechanics, but you don't know when it will come in handy.

你们中的有些人可能会成为医生,但你们现在不能理解,我为什么要讲相对论和量子力学,但是说不定什么时候,你就用上了呢

耶鲁公开课 - 基础物理课程节选

Why did it do that? That's not what I expected.

挺有趣的，噢，怎么回事儿？

麻省理工公开课 - 计算机科学及编程导论课程节选

And what I want to do now is illustrate a case study of what I mean by nature constrained and why it is so important for happiness, for wellbeing, for long-term success to have the constrained view of human nature when it comes to our psychology that is.

现在我想演示一个案例研究,说明我所谓的本性受约束的含义,为何它对快乐，幸福，长久的成功如此重要,当论及到我们的心理时,人性受约束观点很重要。

哈佛公开课 - 幸福课课程节选