And the sad thing is many nations are watching us and saying: " We told you so."

悲惨的是，全世界都在看着我们,并且对我们说，我早就告诉过你会有这样的结果“

普林斯顿公开课 - 国际座谈会课程节选

We told you that phosphorous has 5 valence electrons plus 3 from each of the hydrogens, so we have a total of 8 valence electrons.

我告诉过你们磷有5个价电子,另外氢有3个，所以我们一共有8个价电子。

麻省理工公开课 - 化学原理课程节选

So how would we go about solving this problem if I told you not only was there a maximum weight, but there was a maximum volume. Well, we want to go back and attack it exactly the way we attacked it the first time, which was write some mathematical formulas.

有些时候两个都重要,所以如果我告诉你这里不仅有,最大重量还有最大容量，我们应该怎么解决这个问题呢？,好了，我们想回过来然后,和第一次一样看看这个问题。

麻省理工公开课 - 计算机科学及编程导论课程节选