If you've got a problem that has units associated with it, do the exercise of carrying the units through because, guess what?

如果你做到一个跟单位有关的题目，请你在做题目的时候密切注意它，因为，猜猜是什么？

麻省理工公开课 - 固态化学导论课程节选

I will be posting code that you can play with, and I suggest you go through exactly this kind of exercise.

我给你一些你用的上的代码，我建议你们,多进行一些这种实验。

麻省理工公开课 - 计算机科学及编程导论课程节选

through the exercise of political responsibility, which means responsibility for and oversight of one's fellow citizens and the common good.

仅有透过政治责任的运作才能获得，那责任意谓着,看顾某人的同邦公民,及公共利益。

耶鲁公开课 - 政治哲学导论课程节选