When you buy things, you can take out your phone and then scan the two-dimension code, the bill is paid.

当你买东西时，你可以拿出你的手机，然后扫描二维码，支付账单。

youdao

When you buy things, you can take out your phone and then scan the two-dimension code, the bill is paid.

当你买东西时，你可以拿出你的手机，然后扫描二维码，支付账单。

youdao