set out 和set sth←→out除了意思上有区别外,还有什么区别?比如用法?

set out 和set sth←→out除了意思上有区别外,还有什么区别?比如用法? set off,set about,set out 的用法和区别? Set out 和 set off还有 set up 的区别? set off,set out,set about,set out的区别和用法? set out,set about,set off有什么区别? set out for和set out from有区别么 set up ,set about ,set down ,set out用法?set about ,set out区别? 英语短语的区别set off 和set out的用法及意义,他们之间有什么区别?请举例说明 set out和set off的区别 set out和 set up的区别 set out 和 set off 区别? set out ,set about 有何区别