15-1：买邮票
对话
Steven goes to buy some stamps in the post office.
史蒂文去邮局里买一些邮票。
Clerk: Good afternoon, can I help you?
职员：下午好，能为您效劳吗？
Steven: Good afternoon. I need some stamps and envelopes.
史蒂文：下午好，我需要些邮票和信封。
Clerk: How many and what kind?
职员：买几个？什么样的？
Steven: A dozen 30-cent stamps and 6 envelopes.
史蒂文：30美分一张的邮票买一打，6个信封。
Clerk: Anything else?
职员：还要别的什么吗？
Steven: That’s all. How much altogether?
史蒂文：就这些，一共多少钱？
Clerk: $16. 50.
职员：一共16美元50美分。
Steven: Thank you very much.
史蒂文：谢谢。
Clerk: You are welcome.
职员：不客气。
envelope n.信封
altogether adv.总共
