set off和set out都有“出发”的意思,当作这个意思的时候有什么区别吗...答:set off和set out 这两个词组 作为出发的意思时,用法是一样的,没有多少区别,具体用法是用set off for someplace, set out for someplace,可以互相替换.例句:一, set off for someplace 1,I set off for the valley, trusting to luck .我动身去山谷了,一切全凭运气。2,We set off for ...