And again, I'm going to do it with a little bit of abusive notation, and it's a little more complicated, but we can kind of look at. All right?

为了解决这个问题,我还是需要滥用一点符号，这有点复杂，让我们来看看吧，好不好？

麻省理工公开课 - 计算机科学及编程导论课程节选

Let's draw a little picture on the side here.

我们在边上简单地画个图来看看吧

耶鲁公开课 - 基础物理课程节选