Like camels in ancient Hatra or ferries on the Thames in Tudor London, electric bikes are etched on to the soul of 21st-century China. Each day, tens of millions of them cluster at the intersections of the biggest cities, waiting for the lights to turn green. Yet the country seems to be having significant difficulty regulating, and even defining, these vehicles.
就像古代哈特拉城的骆驼，或者都铎王朝时代伦敦泰晤士河上的摆渡船，电动自行车已经刻进了21世纪manbetx3.0 的灵魂。那些最大的城市每天都有数千万辆电动自行车聚集在十字路口，等候信号灯变绿。然而这个国家在监管、甚至是定义这些车辆方面存在很大困难。
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