It means anybody using that little function get float doesn't have to worry about what's inside of it. So for example, I decide I want to change the message I print out, I don't have to change the function, I just pass in a different parameter.

这代表着用这个方法去获得浮点数,的任何人都不用担心具体的实现了,例如，如果我想改变下,显示的信息的话，我不必去改变方法，我传个不同的参数就可以了。

麻省理工公开课 - 计算机科学及编程导论课程节选

He estimates, for his purposes, and he shows you calculations of the efficient portfolio frontier.

他用自己的角度估算了参数,他还给出了计算有效边界的方法。

耶鲁公开课 - 金融市场课程节选

But it's the really correct way to specify that this function takes no arguments is to actually write this key word "void."

但是这的确是正确的方法来指明,这个函数是没有参数,实际上是写了这个关键字“void“

哈佛公开课 - 计算机科学课程节选

So this is again another method, this is remove, takes two arguments ivys the first is ivys, Harvard the second is the string Harvard.

这儿我们又用到了另外一种方法，就是remove，它有两个参数,第一个是，第二个是字符串。

麻省理工公开课 - 计算机科学及编程导论课程节选