汽车和自行车都提供公共运输的便利方式，两者的显著区别之一在于前者引起污染。

Both automobiles and bicycles offer a convenient means of public conveyance, with one of the marked differences between the two centered on pollution caused by the former.

youdao

汽车和自行车都提供公共运输的便利方式，两者的显著区别之一在于前者引起污染。

Both automobiles and bicycles offer a convenient means of public conveyance, with one of the marked differences between the two centered on pollution caused by the former.

youdao