include stdio h The next line of code says include standard io.h which just as a little sanity check contains among other things, printf.

接着的一行代码写着,这个库文件包含一些我们常用的函数,譬如，printf函数。

哈佛公开课 - 计算机科学课程节选

And the customer in front of you in line has so many items to check out.

排在你之前的客人买了很多东西需要结账。

I can't 课堂 - SpeakingMax英语口语达人