求翻译：学年结束之际，老师们向校图书馆所借的书籍、杂志等一律在下周即6月20日之前归还，如有遗失，按半价赔偿，尽请早办理手续。是什么意思？

The end of the school year, teachers to the school library to borrow books, magazines, etc. all in the next week until June 20 to return, if lost, half-price compensation, do early to complete the formalities.

The end of the school year, teachers as well as school libraries to borrow books, magazines, etc. , of the Attorney General in the next week, i.e. before 20 June, return a lost, half-price for compensation, according to the early processing.

When the school year conclusion, teachers the books, the magazine which borrows to the school library and so on all in next week are before June 20 returns, if has losing, according to the half-price compensation, completely please early go through the formalities.

At the end of the school year, teachers to the library to borrow books and magazines will be next week before the June 20 return, if lost, half-price compensation, please feel free to earlier procedures.

The end of the school year, teachers as well as school libraries to borrow books, magazines, etc. , of the Attorney General in the next week, i.e. before 20 June, return a lost, half-price for compensation, according to the early processing.