前记:在远古的社会里并没有门。后来人们为了防御才有了门。东屋与西屋之间隔着一堵矮墙,墙下有个门口,原来是为了方便两家进出的。却不知什么时候起,门口突然装上了一扇门,一扇紧锁住的门。东屋住着个小女孩。西屋住着个小男孩。他们彼此从没见过面。东屋的小女孩很聪明,活泼 Foreword: There is no door in ancient society. Later, people had a door for defense. There is a short wall between East and Westinghouses, and there is a doorway under the wall. It was originally intended to facilitate the access of the two families. But I do not know when, the door suddenly installed a door, a locked door. East House lived a little girl. Westinghouse lived a little boy. They never met each other. The East girl’s little girl is smart and lively