YSK: Most grocery stores will mark down scalable foods (beef, chicken, pork) up to 40% if the item is within 2 days of the sell by date
from /r/YouShouldKnow
YSK：如果商品在銷售日期的2天內，大多數雜貨店會將可擴展的食品（牛肉、雞肉、豬肉）標價高達40%。
YSK：如果商品在銷售日期的2天內，大多數雜貨店會將可擴展的食品（牛肉、雞肉、豬肉）標價高達40%。
YSK: Most grocery stores will mark down scalable foods (beef, chicken, pork) up to 40% if the item is within 2 days of the sell by date
from /r/YouShouldKnow