A: What's the postage on this parcel to Hong Kong, please?
请问寄往香港的这个包裹需要多少邮资?
B: It's $4 by airmail.
航空邮寄的话是4美元。
A: Good morning. I'd like to send two postcards to Japan. Can you tell me the postage, please?
早上好,我想寄两张明信片到日本,请把邮资告诉我可以吗?
B: One dollar for each postcard.
一张明信片一美元。