3-4 What's the fare?
What's the fare? How much do I owe you?
How much should I pay? Here you go. Here is one hundred. Just give me twenty back. Keep the rest. That's your tip. Have a good one.
3-4 車費是多少錢?
我該給你多少錢?我該付多少錢?拿去吧。這里是一百元。只要找我二十元就好。其余的你留著。算是你的小費。再見。