怎样解决交通拥挤问题现今，许多大城市的人们都在抱怨交通拥堵。

Nowadays, people in many big cities are complaining about the heavy traffic.

youdao

怎样解决交通拥挤问题现今，许多大城市的人们都在抱怨交通拥堵。

Nowadays, people in many big cities are complaining about the heavy traffic.

youdao