"So we are really talking about drastic reductions, and they must come from countries which have overused their share of the global atmospheric space, which have a natural debt that must be paid, and I think if countries like India are asking for that, it is not wrong.

VOA: standard.2009.11.27

If there is atmosphere in the passage I'm about to quote from Macbeth, it must be atmosphere of a certain kind and there for a certain reason.

如果下面这篇《麦克白》里的选段有所谓的“气氛“,那这种气氛一定因为某种原因以某种形式存在着。

耶鲁公开课 - 文学理论导论课程节选

If I don't want this thing over here to be tortured, that must be because I think it's me.

如果我不希望这边的这块东西被折磨，那一定是因为我觉得那是我。

耶鲁公开课 - 死亡课程节选

It's going to be cancelled next year. I won't get my money back.' Loans must be made even if the debt will be cancelled, for the simple reason that the problem of poverty is a terrible and persistent problem.

因为在来年贷款会被解除，他们就收不回自己的钱了,即使是债务会被免除，人们也必须给人借贷，这仅仅,是因为贫困是一个长久存在的可怕问题。

耶鲁公开课 - 旧约导论课程节选

Let's search to see though now if a million is in this list, or 10 million, whichever way I did this it must be a million, right?

不管我选哪个，数都挺大的对不对？,用嘴基本的方法，噢，花的时间有点长,好，而用二分法呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

I've told you, if two vectors are equal, the components must match.

我说过如果两个矢量相等,那它们的分量必须都相同

耶鲁公开课 - 基础物理课程节选

The point is just if I can at least imagine the one thing without the other, they must in fact be two separate things.

我们要讨论的是,至少如果我可以想象,某物独立于另一物存在,那么它们就肯定彼此不同

耶鲁公开课 - 死亡课程节选

If I can imagine one thing without the other, they must be separate things.

如果我能想象某物独立于另一物存在,那它们就是彼此独立的

耶鲁公开课 - 死亡课程节选

And so we've got a--we could imagine then a-- Descartes-like argument saying, "If I can imagine the Evening Star without the Morning Star, that shows the Evening Star and the Morning Star must be two different heavenly bodies."

所以我们得到一个,我们可以想象一个,笛卡尔式的论证,如果我能想象昏星存在而晨星不存在,这就证明了昏星,和晨星肯定是两个不同的天体

耶鲁公开课 - 死亡课程节选