You can pay it back in installments. For example, you borrowed two books at 1 65438+1October1May, and returned the books at1October1August, and then you borrowed them again. The return date is before 65438+February 18. The second book,165438+1October 22nd, was returned and later borrowed. The return date is before February 22, 65438. And so on! If the second copy is not returned in advance, it can be returned before 165438+ 10/5.