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

As we talk about this, as people talk about this, in the context of our object-oriented programming, they typically will talk about it in terms of message pass, a message passing metaphor.

当我们讨论这个的时候，当人们讨论这个的时候,在面向对象编程的背景下它们往往会,被称为消息传递，也就是传递隐喻的消息。

麻省理工公开课 - 计算机科学及编程导论课程节选