[] used only by people who work in a building or who are delivering sth to a building供工作人员（或送货人）使用的◆a service elevator服务用电梯◆the service entrance工作人员入口▸ˈservicing
noun
[] ◆debt servicing偿还债务◆Like any other type of equipment, it requires regular servicing.和其他类型的设备一样，它也需要定期维修保养。