vacancyn.空缺;空白;失神
vacancy sink空位闾,空位聚居
vacancy wind空位风
vacancy disk空位盘
vacancy ratio住房闲置率;空房率
vacancy defect空位缺陷
vacancy notice招聘人员公告
vacancy source空位源
vacancy clause空屋条款
vacancy theory空位理论
vacancy element空位元素