cāntīng zhuō shàng de èrwēimǎ bù yídìng shì fùkuǎnmǎ hěnduō shì diǎncānmǎ

餐厅桌上的二维码不一定是付款码，很多是点餐码。

The QR code on the restaurant table is not necessarily for payment; many are for ordering food.