找认为乘公交能缓解污染。

I think by bus could relieve the pollution of the city.

youdao

公共交通系统可以减少污染和缓解交通负担。

Public transportation helps to cut down on pollution and traffic.

youdao

公共交通系统可以减少污染和缓解交通负担。

Public transportation helps to cut down on pollution and traffic.

youdao