So it's important to write out the equation you use, you need to write out the constants that you use to fill in that equation.

因此重要的是写出你所用的公式，你需写出,你用在公式中的常数。

麻省理工公开课 - 化学原理课程节选

You can tell lies in language you may not understand the meaning of the words you used.

你可以用语言来说谎,也许你甚至不懂,你所用的词的含义。

麻省理工公开课 - 电影哲学课程节选