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- 夜市和小店付款最怕现场卡住。主力扫码之外，再准备第二和第三层备份，才能在拥挤环境里保持交易顺畅。
- 我在重庆磁器口边走边吃陈麻花：现金和扫码怎么备份 | Walking and Snacking in Ciqikou, Chongqing: Payment Backup Plan
- 磁器口适合边走边吃，这句话很多人都知道，但真正到了现场，你会发现“边走边吃”其实是一种需要节奏感的动作，不只是嘴上咬着陈麻花，手里再拿杯冰粉那么简单。重庆的坡、台阶、转角、老街拐弯，再加上游客、拍照的人和突然停下来的队伍，会让你的身体始终处在一种微微调整重心的状态。这个时候，支付方式如果只有单线方案，你就容易被打断：刚在一家店买了陈麻花，手机还停在付款成功页面，往前走几步又看到辣卤、糍粑、现炸小酥肉，想再买时才发现网络慢了、电量掉得快了
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