So, what we do at the start of the semester, and these are essentially training wheels we very quickly take off once you get more comfortable, we provide you with our own library.

那我们这学期初要做些什么呢？,经过一些必要的训练,让我们迅速褪去无知，变得更加充实，我们会提供自己的库。

哈佛公开课 - 计算机科学课程节选