tān wèi shàng kě néng yǒu hǎo jǐ gè èr wéi mǎ yǒu de shì shōu kuǎn mǎ yǒu de shì diǎn dān mǎ yǒu de shì gè rén mǎ

摊位上可能有好几个二维码，有的是收款码，有的是点单码，有的是个人码。

There might be several QR codes at the stall, some for payment, some for ordering, and some personal ones.