Selection is a pretty simple concept, but there are a couple of basic variants worth discussing.

选择是相当简单的一个概念，但有一些变体值得我们来讨论。

youdao

Selection is a pretty simple concept, but there are a couple of basic variants worth discussing.

选择是相当简单的一个概念，但有一些变体值得我们来讨论。

youdao