set out,set up,set off,set

set out,set up,set off,set
set out,set up,set off,set

set out,set up,set off,set
这几个短语的意思都挺多的,但是高中阶段常见的意思主要有
set out　出发动身　set out on a trip
　　　　开始着手　set out to do
set up 建立,创立,设立
set off 出发动身　和set out 一样
　　　　使机器装置开动,启动set about 开始着手　同set out但是注意用法,是set about set