We can look at it here; we looked at append, which added things to lists, we looked at delete, deleting things from a list.

看看这儿，append方法给数组，增加了一些内容，我们还学习了，如何删除数组中的元素。

麻省理工公开课 - 计算机科学及编程导论课程节选

And that's what we're going to add today.

这就是我们今天想要增加的内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

But every bard added and subtracted things to suit his own talents.

但每个诗人又根据自己的智慧,增加或减少一些内容

耶鲁公开课 - 古希腊历史简介课程节选