So Milton is struggling here to catch up with the star-led wizards, who -- as you can note -- are already themselves hasting.

所以弥尔顿在这儿极力想追上由明星引导的术士，你们可以注意到，术士们自己也在匆忙赶路。

耶鲁公开课 - 弥尔顿课程节选

Notice if I'm going to have two different sub problems I need to have two base cases here to catch this. And if I only had one it would error out. And as a consequence, I can go off and ask about rabbits. Let's see.

我需要定义两个基础事件来处理它,如果我只有一个基础事件的话就会产生错误,这样我就能够知道到底有多少只兔子了,让我们来看看，在第12个月末,没那么简单，在第二年末兔子就很多了。

麻省理工公开课 - 计算机科学及编程导论课程节选