So when you're writing a program in this language and many others, if you wanna make a comment to yourself or for other people who are reading this with their TF or fellow colleagues, you use what are called comments.

当你用这样那样的语言写程序时,为了便于自己或他人,阅读我们写的代码，我们必须得做一些注解,这就是所谓的注释。

哈佛公开课 - 计算机科学课程节选

So writing a program at least in this language is a two-step process.

用这种语言写一个至少需要,两步完成的小程序。

哈佛公开课 - 计算机科学课程节选