A: Good afternoon, madam. What can I
do for you?
B: Yes. I want to buy some postcards. Do you know where I can get them？
A: Yes, you can buy them here.We have three kinds of postcards, one
dollar, two dollars and five dollars. Which one do you want?
B: Oh, can I have a look at them?
A: Yes, please.
B: Hmm, I want this card. Is it two dollars each?
A: Yes, How many do you want?
B: Three. This is ten dollars here.
A: Here's your change.
B: Thank you. One more question, I can send my postcards from this post office, right?
A: Yes, madam. Our office hour is from 9am to 5pm every day.
B: Thank you very much.
A: You are welcome.
- postcard: 明信片； 这儿可以把明信片可以换成任何你想买的东西，是个通用句式；
- Which one do
you want? : 你想要哪一个？ 也可以：Which one do you like/prefer?
- change: 找回的钱；
- one more question: 还有一个疑问，一般咱们也会说： one more thing
Step by Step, day by day!