use-byCOCA²⁵⁴³³⁷⁺⁶BNC²³⁶²¹³⁺¹ 基本例句 🌏期限 Under European law, best- before BB dates show when food is at its premium quality, while use-byUB dates show when food must be eaten by before becoming a potential health hazard. 欧洲国家法律定义“此日期前最佳”为食物最新鲜时间；而“此日期前食用”是指不应再食用，存在健康隐患。 putclub