如果人们可以乘公共汽车或骑自行车去上班，而不是乘汽车或骑摩托车，这将有助于对抗二氧化硫的问题。

If people could go to work by bus or by bike instead of car or motorbike, it would be helpful in fighting against the problem of SO2.

youdao

尽量骑自行车或乘坐公共交通上学而不坐小汽车，因为它会产生更少的二氧化碳。

Try to take bicycles and public transportation to school instead of cars because it will make less CO2.

youdao

骑自行车。这能减少二氧化碳的排放量并能省下你花在车上的钱。

Ride a bicycle. This will cut down on carbon emissions and money you spend on a car.

youdao