单项选择题
A.夜审(Night Audit) B.房态管理(Housekeeping) C.入住(Check In) D.离店(Check Out)
A.空脏(Vacant Dirty,VD) B.空净(Vacant Clean,VC) C.占用脏(Occupied Dirty,OD) D.占用净(Occupied Clean,OC)