凯瑞：有多少不同的种族？

KC: How many different kinds?

youdao

那么，从总体上讲，华尔街到底同马多夫有多少不同呢？

So, how different is what Wall Street in general did from the Madoff affair?

youdao

活动用户率表明有多少不同的用户在规定间隔内是活动的。

Count. The active user rate shows how many different users were active in the indicated interval.

youdao

So I mentioned you should be able to identify both how many nodes you have and what a graph might look like of different radial probability distributions.

我说过你们要能够辨认,不同的径向概率分布有多少个节点,以及它的图画出来,大概是什么样的。

麻省理工公开课 - 化学原理课程节选

If you did know how much time you had left, ? how would you act differently from what you're doing now?

如果你确实知道了自己还剩多少时间，你会和你现在的行为有不同吗？

耶鲁公开课 - 死亡课程节选

So let's do a quick clicker question, and you tell me how many valence electrons does fluorine have? Remember, valence electrons are different from core, they're only the outer-most electrons in the outer-most shell.

那么让我们来做一个小选择题，请大家来告诉我,氟有多少个价电子，要记得，价电子与芯电子不同，它们是在最外壳层的最靠外面的电子。

麻省理工公开课 - 化学原理课程节选