The interesting question from the standpoint of economic theory is, why did it have that funny shape?

从经济学理论的角度来看,期限结构的走势为什么会这样呢

耶鲁公开课 - 金融市场课程节选

why don't we educate more? And then let the votes come naturally.

我们为什么不普及教育呢？这样更多的选民会主动地参与投票。

对于义务投票制 - SpeakingMax英语口语达人

Now, why the Fat Lady? It's this mythical, incredibly humanly embodied-- whenever you see a fat lady in a novel, one of the first things you want to ask is: why does that person need to be excessively embodied?

现在，为什么是胖太太，这是个神话，人们呈现了，无论你什么时候看到一个胖太太,在小说里，你首先会想问：,为什么那个人需要被这样过多的描写呢？

耶鲁公开课 - 1945年后的美国小说课程节选

Now why would that be?

为什么会这样呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And why is that?

为什么会这样呢？

普林斯顿公开课 - 国际座谈会课程节选

Why is it down?

为什么会这样呢

耶鲁公开课 - 金融市场课程节选

Why did it do that?

为什么会这样呢

耶鲁公开课 - 金融市场课程节选