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

找认为乘公交能缓解污染。

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

youdao

找认为乘公交能缓解污染。

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

youdao