why have you done it this way?the goal is to keep useful shings from being thrown away

why have you done it this way?the goal is to keep useful shings from being thrown away

题目
why have you done it this way?the goal is to keep useful shings from being thrown away
为什么在from 后面用being thrown away
答案
keep from doing sth 固定搭配
be thrown away 被动用法
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