B：”Can I help you？“
A: How much does that pen cost?
B: It costs ten dollars.
A: That’s very expensive. Do you have anything cheaper?
B: Sure. This pen is only two dollars.
A: Good. I’ll take it.
那枝笔要多少钱？
乙：十块钱。
甲：那很贵。你们有没有比较便宜的？
乙：当然。这枝笔只要两块钱。
甲：好。我就买这枝。
A: How much is this book?
B: It’s seven dollars.
A: Do you have change for a hundred?
B: No problem.
A: OK. Here’s the money.
B: Thank you. Here’s the book and your change.
甲：这本书要多少钱？
乙：七块钱。
甲：你有零钱找开100块吗？
乙：没问题。
甲：好。钱给你。
乙：。这儿是您的书和零钱。
