but of joke的用法和样例：
- He is a man with an inborn love of joke.
- That was 40 years ago, but of course you wouldn't remember it.
- Some people make a lot of joke in crowd subway.
- Many people find this sort of joke distasteful.
- The eyes are not proud of their sight but of their eyeglasses.
- But of all this no hint had crept into his speech.