"你扫我，还是我扫你？" — "Do you scan me (my QR code), or do I scan you (your QR code)?"
Nowadays you need to scan QR codes (二维码) pretty much for everything:
- Every time you pay with WeChat pay or Alipay. Some stores have POS scanners that scan your QR code, other stores have a QR code sticker which you scan, hence you would ask them: 你扫我，还是我扫你？
- Every time you add someone on WeChat
- Every time you visit a tourist site with audio guides
- Every time you ride a shared bike
You will lose count how many QR codes you scan in a day.