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.

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。

youdao

So whether they go to school by car, on foot, on bike or by boat, or just meet the school bus, parents all over the world have this same feeling about their children.

不管接送孩子是开车，是步行，是骑自行车还是乘船或是等校车，全世界的父母们对他们的孩子们都有着同样的感情！

youdao

We'd better go to school on food or ride a bike instead of taking a car or a bus.

我们最好去学校对食品或骑自行车代替汽车或公共汽车。

youdao

So get on the bus, catch a train, rent a car or saddle up your bike.

BBC: Historical day trips from Boston