I know it looks like a simple and silly little example, but at the moment, I still have the ability to go in and change the values of the parameters by that little definition.

很简单的有点儿蠢的例子,但是现在，我还是可以通过，一个简单的定义声明，来进去改变参数的值,这样就没意义了,这是因为我并没有用一些。

麻省理工公开课 - 计算机科学及编程导论课程节选

If this part's very easy for you, there's not much I can do right now.

如果这一部分对你来说很简单,那我现在也没有办法

耶鲁公开课 - 基础物理课程节选