The bits, the zeros and ones that compose the library are actually - in that file called cs50.c but those bits live or-- even that's a white lie.

这些构成该库的比特--0啊1啊,却是在cs50，c文件里,这些源代码-,可以说是根本不存在。

哈佛公开课 - 计算机科学课程节选