And we want to do that in tangible, concrete ways, but the question is how? -Absolutely.

而且想用实际具体的方法来实现这个目标，但问题是怎么做？，-对。

普林斯顿公开课 - 人性课程节选

I want to get to there starting from real sodium and real chlorine.

我们要实现这一步,从实际的钠和实际的氯开始。

麻省理工公开课 - 固态化学导论课程节选