LihaoLeo

1，所有规定都印在书证上面，恐怕你需付罚款了。
all rules are printed on the library card, i am afraid you have to pay a fine.

2，除非你立刻把书还给图书馆，否则你就要被罚款。
you should return these books to the library at once, or you have to pay a fine.