相关数据
sell-by date
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释义
n.保质期；大限之日；最迟销售日期
Used to indicate that something, or someone, is old and out of date.
例句
Sheldon:Amy, I don't understand, are we broken up or not? It's like you can't make up your mind.
Amy：It's because you're not giving me any space to think.
Sheldon:Well, you should think fast, because men can sire offspring their entire lives,but those eggs you're toting around have a sell-by date.（The Big Bang Theory)
谢尔顿：艾米，我不明白，我们到底分手了没？你好像一直作不了决定啊！
艾米：那是因为你完全不给我思考的空间。
谢尔顿：是吗，那你最好赶紧想，因为男人一辈子都能传宗接代，你的卵子可是会过期作废哦。（生活大爆炸）
