Beijing authorities are installing elevators in old apartment buildings. The residents don't need to pay for the machine or its future maintenance, but they do have to pay a tiny fee every time they take it for a ride, up or down.
北京市政府正在为老旧楼房加装电梯。居民无需缴纳电梯建设和维护费用，不过乘坐电梯上下楼时需支付一点费用。
电梯采用“公交式”运营模式。3月底前，电梯都可免费试用（free trial），之后居民可以自愿购卡，像乘坐公交车一样按次刷卡付费（pay-per-ride mode），每次仅需0.2元。
The fee is 0.2 yuan per ride. Payment is made by swiping a card like taking a bus, according to the Beijing Daily newspaper.
据《北京日报》报道，每次乘用电梯的费用为0.2元，可以像乘坐公交车一样刷卡。
据介绍，目前大兴区、东城区、朝阳区的老楼加装电梯工程中，都已经试点推出了“垂直公交”（vertical transport）的模式。
【相关词汇】
无障碍电梯 barrier-free elevator
自动扶梯 escalator
电梯轿厢 elevator car
电梯按钮 elevator button
竖井 vertical shaft
