Once, my cousin and I rode a small electric donkey for a walk in the countryside. Suddenly I saw a dozen cats having a meeting at the back of a family's house, so I got out of the car and went over to have a look. One of them was full of leadership temperament, with a big belly and a round waist, and he didn't know what he was talking about. My brother didn't know what he was thinking, so he let out a meow, the leader looked back and replied meow, my brother immediately started a cordial conversation. I don't know if the talk broke down, but the...