@andrewzhang985 5 個月前 In Hangzhou and Shanghai, there are some supermarkets that you don't even need to scan each product, just grab whatever you want and leave, after exiting the store, it will automatically charge all your purchase and bill it in your phone app wallet. 在杭州和上海,有一些超市你甚至不需要扫描每个产品,只要拿起你想要的任何东西就离开,离开商店后,它会自动收取你所有购买的费用,并在你的手机APP钱包中计费。