先领5-2.1补贴卷
https://coupon.m.jd.com/coupons/show.action?key=cbmdcasbo2a647eabbd965216353de9d&roleId=225674465
自营京鲜生 甘肃民勤沙漠蜜瓜净重6-7斤 2-3个装
https://u.jd.com/n6FdcO7
到手13.1元，折1.8/斤