You really cannot know how much C if any C of the information that comes to you by the grapevine is true or false.

VOA: special.2009.02.22

So, seven asks us if we have any valence electrons left, and how many valence electrons do we have left?

那么，第七步问我们是否还有价电子剩下，我们剩下了几个价电子？

麻省理工公开课 - 化学原理课程节选

If you go to any coffee store in America and you ask them, "How many cappuccinos did you sell today?"

如果你去美国的任何咖啡店,你问他们，“你们今天卖出多少杯卡布奇诺？“

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

Notice one last piece. If I'm going to do that, run through all possible answers, I still want to know, gee, what if there aren't any answers? How do I return that case?

注意最后一段，如果我要这样做，也就是运行所有可能的答案，我还是想知道要是没有结果呢？,在这个例子中应该返回什么呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

I don't feel I've got any sort of account going here as to how consciousness works, even if I become a dualist.

我觉得就算我是一个二元论者,我也还是不懂这番对于意识的解释

耶鲁公开课 - 死亡课程节选

All right, so hopefully if you see any other combination of quantum numbers, for example, if it doesn't quickly come to you how many orbitals you have, you can actually try to write out all the possible orbitals and that should get you started.

所以希望你们如果遇到,任何其它的量子数组合的问题，如果你们不能马上想到有多少个轨道，可以试着先写出所有的轨道,这是个不错的切入点。

麻省理工公开课 - 化学原理课程节选

I never met anybody who seemed more like an author than this person, and yet he's raising the question whether there is any such thing, or in any case, the question how difficult it is to decide what it is if there is.

我从来没有遇见过比他看起来更像作家的人，现在他提出了一个问题，问无论如何，如果有这么个东西的话那么决定它是什么有多难。

耶鲁公开课 - 文学理论导论课程节选