except operation

例句：

1. 1. He is not allowed to enter the room except for his parents.
   除了他的父母，他不允许进入房间。
2. 2.The book includes all the information except for the last chapter.
   这本书包括所有信息，除了最后一章。
3. 3. She decided to go on a picnic except for her dog.
   她决定去野餐，除了她的狗。