Patient: What do you charge for pulling a tooth?
Dentist: Thirty dollars.
Patient: Thirty dollars for a couple of minutes'work?
Dentist: Well, I could do it slower, if you like.
我可以干得慢一些
病人：“拔一颗牙多少钱？”
牙医：“30美元。”
病人：“只几分钟的活儿就要30美元？”
牙医：“如果你喜欢的话，我可以干得慢一些。”
