优惠券
QR code with coupon or discount code
菜单
QR code with link to restaurant menu
活动
QR code with event information
反馈
QR code with link to feedback form
评价
QR code with link to review form
预订
QR code with booking information
预约
QR code with reservation information
会员卡
QR code with loyalty card
会籍
QR code with membership information
调查
QR code with link to survey
投票
QR code with link to poll
电子报
QR code with link to newsletter
价格表
QR code with price list
目录
QR code with catalog
库存
QR code with inventory information
订单
QR code with order information
发票
QR code with invoice information
收据
QR code with receipt
保修
QR code with warranty information
说明
QR code with instructions