关于模块还有很多事情要讲。

There is a lot more to modules.

youdao

关于模块的描述(及其实现的规范)。

A description about the module (and the specification it has implemented).

youdao

关于模块的一个好处就是可以将其功能附加到任何已有的ruby类，并且可以根据您的需要添加，没有数量限制。

The nice thing about a module is that you can attach its functionality to any existing Ruby class, and you can attach as many as you want.

youdao