释义
n.
〈北美〉 （体育活动因雨改期再赛时使用的）入场券。
a coupon issued to a customer by a shop, guaranteeing that a sale item which is out of stock may be purchased by that customer at a later date at the same reduced price
（商店在廉价商品售罄时发给顾客的）货到优先供应券；优待券。
短语
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take a rain check said when politely refusing an offer, with the implication that one may take it up at a later date （婉拒时用语）改日叨扰，来日方长
