So, when we think about any type of formal charges, we have to assign these based on a formula here, which is very easy to follow.

那么，不管我们要考虑什么样的形式电荷，我们都必须依靠这个公式，它很容易理解。

麻省理工公开课 - 化学原理课程节选

So the other possible deviation we have to consider, is a deviation of the form of one of these guys dropping out.

那么另外一个我们必须要考虑的偏差,是她们俩有一个人退出选举

耶鲁公开课 - 博弈论课程节选

I am only counting in one direction, 2 so I have to multiply this whole thing by two because I have to count both directions.

因为我只是在一个方向上计数，所以我要把这些所有乘以,因为我们必须考虑到2个方向。

麻省理工公开课 - 固态化学导论课程节选

That's the kind of question we have to face when we think about the fact that we don't know how much time we've got.

那是我们必须要面对的问题,当我们考虑到,我们不知道自己还有多少时间这个事实时。

耶鲁公开课 - 死亡课程节选

We have to think about the whole world here.

我们必须要考虑全世界的情况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选