Patient: What do you charge for pulling a tooth?
Dentist: Fifty dollars.
Patient: Fifty 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：拔一颗牙收费多少?
牙医：50美元。
病人：只几分钟的活儿就要50美元?
牙医：好的`，如果你喜欢的话，我可以干得慢一些。