Definition: to start a journey Level: B1
我们明天什么时候必须出发去车站？
What time will we have to ___set ___off for the station tomorrow?
他们刚刚出发去环游世界巡航。
They've just ___set ___off on a round-the-world cruise.
我们五点钟出发回家。
We ___set ___off for home at 5 o'clock.
