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

So, we need to fill our octet for selenium, so 1, 2, 3, 4.So, this is our Lewis structure here, hopefully you can see why it's not linear.

我们要填满硒原子的八配位，所以1，2，3，4。这就是Lewis结构，希望你们能看出来为什么它不是直线型的。

麻省理工公开课 - 化学原理课程节选

These DPPs go back a long time but there began to be complaints about them because people said, well why is it, because I'm not an accredited investor, I can't get into real estate like these other people do?

PP由来已久,但现在人们开始抱怨,他们说,我不是可信投资者,为什么仅凭此门槛,而不让我像别人一样投资商业地产呢

耶鲁公开课 - 金融市场课程节选