高级英语对话 第 168 课：为何买卡-2

A: Have you bought a bus pass yet?
B: I'm not getting one.
A: Why is that?
B: It's cheaper if I don't buy one.
A: Buying a bus pass will save you money.
B: How do you figure that?
A: There's no limit to how often you can use your bus pass.
B: Really?
A: Plus, you don't have to use change for the bus anymore.
B: I like that.
A: You want to buy one now?
B: I'm going to.