Each person can only borrow one book at each time,the book can only to be borrowed a week, one must reback it in time, and must treasure it ,one cannot exchange it to another.

• 每次只能借一本书，每本书只能借一周，要及时归还，要爱惜书，不得转借他人。最后我希望同学们要遵守以上规定。