例句 Disabled or injured occupants, or those farthest from the fire, whose

evacuation is less urgent, can shelter on them until congestion on the stairs eases or help comes.【2017-6《经济学人》】

残疾、受伤的住户或那些离火灾最远、不那么急于疏散的人，可以用它们（指避难层）来掩蔽，直到楼梯上的拥堵缓解或救援到来。

考点 to ease security and privacy concerns 减轻对安全和隐私的担忧【2013 英语（二）完形】