Many people don't have the same hobbies, but they can still be good friends. Li and Wang are good friends. Li likes collecting stamps (集邮). Wang doesn't like collecting stamps. He likes swimming.
Wang often asks Li to go swimming with him, but Li always (总是) says he is very busy (忙碌的). Yes, he is always busy with his stamps. "You should collect something with me," Wang often says to Li. "You should collect something." Li often says to Wang. Wang likes playing the violin, but Li doesn't. Li likes playing the piano. They like to help each other. That's why they are good friends.
