Are we supposed to tip the driver?
我们该给司机小费吗？
It depends on what you feel like, maybe a dollar for each bag.
嗯，要视情况而定，或许每件行李要给1美元吧!
This is one hundred Yuan and you can keep the change.
这是 100元，你不用找了。
Here is the fare and this is for you.
这是车费，这是给你的小费。