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

来源: 于 2024-10-29 14:37:48 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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

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