OK. Now, having done that, again I want to stress this idea and I'm going to write it out one more time, that there's a particular format here.

好，讲完了这些，我又想要强调一下这个思想,并且再一次把它写出来了，就是有一个特定的格式。

麻省理工公开课 - 计算机科学及编程导论课程节选

So let me expand on that very slightly, and again we did this last time but I want to do one more time. I have to be careful about how I'm actually implementing a list.

我们之前做过了一次,但还是再做一次吧,我得小心的在列表中执行,例如在这个例子中。

麻省理工公开课 - 计算机科学及编程导论课程节选