A: Excuse me. Is this tax-free?
请问这是免税的吗?
B: Yes, but you need to show me your passport.
是的,但是你必须出示护照。
A: Here you are.
给你。
A: Can I buy it duty-free?
这个我能免税买吗?
B: Yes, you can. Show me your passport, please.
是的,请出示护照。