is a kind of space enclosure closed and relatively independent space,

here by the external interference is small, belongs to a private space. For example:

Dining places in the elegant room, Internet cafes in the room,

KTV in the private room and hotel suites and standard rooms.

The latter

Some public **** places (such as theaters, teahouses, restaurants, KTV, etc.)

Ad hoc single-room seats, a room with multiple seats. With exclusivity.