HELP in prohibition: To leave the hall at any time without

來源: 於 2024-10-29 14:37:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

To leave the hall at any time without  leave?  什麽 Guess the school attendentees must understand no difficulty.  

for general public? leave the hall without leaving school? or hide ?