We want to do that because we have too many variables here. We've already got dV p we'll get rid of p as an additional variable and replace it with V which is already in here.

我们之所以要那么做,是因为这儿有太多变量了,我们已经有了dV，我们要把,作为额外的变量消去，用已存在的V代换它。

麻省理工公开课 - 热力学与动力学课程节选

And I have to admit, I did the standard thing you do every time you run across something you don't know about, you go to Wikipedia.

额外的名为self的变量，那么什么是self呢？,我需要承认，我做了大家当碰到，不会的问题都会做的标准的事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

And then I'll call fast max val passing at this extra argument of the memo.

然后我会调用快速maxval函数,而它是基于这个额外变量memo的。

麻省理工公开课 - 计算机科学及编程导论课程节选