Passengers' shop 'by scanning QR - Quick Response - codes of the items they want to buy using their smartphones. These goods are later delivered to their home address.
2
乘客们只需用 智能手机 扫描他们所购买商品的快速反应码就可以轻松购物，这些商品不久就会送到家门口。
Passengers 'shop' by scanning QR - Quick Response - codes of the items they want to buy using their . These goods are later delivered to their home address.
3
地铁乘客可通过智能手机扫描商品条码，即商品的快速响应码进行购物，随后，所购商品就会被送到乘客家中。
Passengers "shop" by scanning QR - Quick Response - codes of the items they want to buy using their smart phones. These goods are later delivered to their home address.
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