Runners who often manage to win races do so not only because they are good at running.

分类: 作业答案 • 2021-12-19 18:21:25

问题描述：

Runners who often manage to win races do so not only because they are good at running.
这句话中 do so 是什么用法
我问的主要是so 的用法

答

so在此是指代的作用,前面应该还有东西吧,用so省略了前面提过的“做...”