我每天坐公交车上班。

Wǒ měitiān zuò gōngjiāochē shàngbān.

I take the bus to work every day.

坐公交车比打车便宜。

Zuò gōngjiāochē bǐ dǎchē piányí.

Taking the bus is cheaper than taking a taxi.

你知道去火车站要坐哪路公交车吗？

Nǐ zhīdào qù huǒchēzhàn yào zuò nǎ lù gōngjiāochē ma?

Do you know which bus to take to the train station?