Alright, so we can implement any number of algorithms using this thing because the basic mechanism I have here is a comparator.

好了，利用它我们可以实现,很多种算法,因为在此我用到的基本原理是一个比较器。

哈佛公开课 - 计算机科学课程节选

And I would be able to simply bury away the details of how those other instances are created from how I want to use them by simply calling methods on the classes.

也就是一些线段的组合,我还可以把怎么实现那些,实例的细节包装起来,把它和调用实例分开来,我们下次还会接着讲这个。

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