guess who的用法和樣例：
例句
- No one I know is in a commune or knows anybody who is in one, with the exception of a Cantonese amah who went back to sweep the graves this spring.
我認識的人里面沒有在人民公社的，他們也不認識在公社的人，除了一個廣東阿媽，她家里人歸公社管。 - Some of the most gratifying results can come from a cooking event with people who barely know one another.
幾乎完全不認識的一群人參與烹飪活動，會出現一些最令人滿意的結果。
