1 In a library it is not allowed to take out more than one book at a time without permission from the library staff (不行同时在图书馆借出凌驾一本书籍未经图书馆事情人员允许不行)
2 Library内不允许吸烟。 (图书馆内不允许吸烟)
3 Library内禁止使用手机或电子设备。 (图书馆内禁止使用手机或电子设备)
4 Library内禁止饮食。 (图书馆内禁止饮食)
5 In a library it is not allowed to talk or eat with your mouth open (在图书馆内不行嘴巴张开说话或进食)