I mean we can, we can sort of understand why OK, the total energy, if we measure it, we measure a process which is not reversible.

例如我们易于理解为什么，当试图测量一个不可逆系统的总能量，给出的或许。

麻省理工公开课 - 热力学与动力学课程节选

So, he writes: To the psychologist alone can such questions occur as: Why do we smile when pleased and not scowl?

他这样写到：,对哲学家本身说,会出现这些问题：,为什么开心时我们微笑而非皱眉？

耶鲁公开课 - 心理学导论课程节选

And that, in and of itself is justification: ? why not feel good, if we can feel good?

这本身就是辩解理由：,如果能感觉好，为什么不感觉好呢？

哈佛公开课 - 幸福课课程节选

So, we can think about why is it that these are not equal.

我们可以想一想它们为什么不相等。

麻省理工公开课 - 化学原理课程节选

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

You're not on the run from the FBI? We can ask you why?

请问没被FBI通缉吧?

耶鲁公开课 - 博弈论课程节选