Turn off air con: a car engine generates enough pollution without having to power an onboard air conditioning unit.

关上空调：一辆车就算不开随车空调，也已经产生足够的污染了。

youdao

Turn off air con: a car engine generates enough pollution without having to power an onboard air conditioning unit.

关上空调：一辆车就算不开随车空调，也已经产生足够的污染了。

youdao