"It's a 24/7 kind of commitment, which is why it's nice for me at this stage of my life to be able to take care of my son at night.

VOA: standard.2010.04.15

I mean, you grew up in an age when computers were blazingly fast, and have tons of memory, so why in the world do you care about efficiency?

我的意思是你们是伴随着,计算机快速发展成长的，计算机都有这么大的内存,那还在乎效率干嘛呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

And so, that simple fact is why we would expect animals to care for their children, because children are the means through which genes replicate.

所以，简单的事实是,我们为什么期待动物关心后代，因为后代是基因繁衍的方式。

耶鲁公开课 - 心理学导论课程节选

Twenty-two percent of blacks, The fact that almost twice as many blacks don't have health care as whites in part explains why black children are twice as likely to die before their first birthday as white kids.

VOA: standard.2009.09.09

So why in the world do you care about efficiency?

那到底为什么我们还要关心效率呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Why do we care more about future non-existence ? than past non-existence?

为什么我们更在乎未来不存在的事,而不是更在乎过去不存在的事？

耶鲁公开课 - 死亡课程节选

Who cares? Why should you care?

但谁会在意呢,为什么要在意这个呢

耶鲁公开课 - 古希腊历史简介课程节选

Why would that be--why would you care?

为什么会有差别

耶鲁公开课 - 金融市场课程节选

You remember in the first lecture I said there's a difference between the history of criticism and theory of literature, one difference being that the history of criticism has a great deal to do with literary evaluation: that is to say, why do we care about literature and how can we find means of saying that it's good or not good?

你们还记得吗，第一节课我说过,文学评论历史和文学理论有一个重大区别，那就是文学评论的历史,很大程度上与文学评估有关：,意思就是我们为什么要关心文学,还有我们怎么能说一部作品是好还是坏？

耶鲁公开课 - 文学理论导论课程节选

So, fairly simple idea, who knows why we actually care what the values of X or Y are at least in this out of context.

看，非常简单吧，天晓得为啥我们关心x和y的值,在这里我们只是断章取义罢了。

哈佛公开课 - 计算机科学课程节选