set off 是动身出发的意思英语解释是to begin a journey
We set off for LOndon just after ten.
set out 是动身起程的意思英语解释是to leave a place and begin a journey
They set out on the last stage of their journey.
set off 是动身出发的意思英语解释是to begin a journey
We set off for LOndon just after ten.
set out 是动身起程的意思英语解释是to leave a place and begin a journey
They set out on the last stage of their journey.