For your information (ie This is sth you may wish to know), the library is on the first floor.
For your information (ie This is sth you may wish to know), the library is on the first floor.
谨奉告, 图书馆在二楼.
For your information (ie This is sth you may wish to know), the library is on the first floor.
谨奉告, 图书馆在二楼.