- ThesharedbikeslikeMobikeandOfobringgreatconveniencetopeople.Youneedn’tlockthembysimplyusingyoursmartphone.Theycantakeyouwherethesubwayandbusdon’tgo.Andtheycanbeleftanywhereinpublicforthenextuser.However,badthingshappen.SomepeopledamagetheQRcodeonth...
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