三元新鲜日期极致全脂纯牛奶整箱250ml*16盒买2-凑后都是单价24.2元

三元【新鲜日期】极致全脂纯牛奶整箱250ml*16盒 ，买2-5件，凑后都是单价24.2元
https://passport.weibo.com/sso/signin?entry=wapsso&source=wapssowb&url=https://shop.sc.weibo.com/h5/goods/index?iid=218117696922180000650934
如买5件再凑
https://u.jd.com/J12M4Ko
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