set off 怎么用？谢谢

set off 怎么用？谢谢

set off 英[set ɒf] 美[sɛt ɔf]
出发;（使）开始;引起;点燃
[例句]That set off a building boom.
这引发了一场建牢房热潮。
2.
The report set off a vaccination scare that lasts to this day.
这个报道引起大家直到现在还对接种疫苗有所恐惧。

3.
This set off a wave of emigration.
此时掀起了一次移民潮。

4.
We set off on a path next to a valley.
我们从峡谷旁的一条小道上路了。

5.
Accompanied by zhou we set off for mao's residence in chinese cars.
在周的陪同下，我们坐着中国的汽车驶向毛的住所。