expiration信息详情
n.呼气；终结；届期
expirations───n.呼气；终结；届期
expiation───n.补偿；赎罪
expiscation───扩张
explication───n.说明；阐明；展开（花瓣、叶子等的）
exploration───n.探测；探究；踏勘
exportation───n.出口
expurgation───n.消去；廓清；删去
respiration───n.呼吸；呼吸作用
aspiration───n.渴望；抱负；送气；吸气；吸引术
Then he proceeded to recite his card number and expiration date before signing off.───接着他开始背诵他的卡号和有效期，然后才签字。
The expiration date on this yogurt was November 20.───这酸奶的有效期到11月20日。
But soda past its expiration date goes flat and loses much of its taste.───但是过期的苏打水跑气，味道也会大打折扣。
The speed with which an option loses value is called time decay, which becomes steeper as the expiration nears.───期权失去价值的速度叫时间衰减，越接近到期日，衰减越快。
coating of bought dissolvent carpentry should be restricted in the expiration period inside use, usually the expiration period is a year.───购买的溶剂型木器涂料应在保质期限内使用，一般情况下保质期为一年。
Why would you drink that? It was more than a week past the expiration date.───你为什么要喝那个？已经过期一周了。
Workers put buns that were more than a week over their expiration dates or had been returned by sellers back into mixers to make "new" buns.───工人将已经过期一周多或销售商退回的馒头倒入和面机里，生产出“新鲜”的馒头。
At the expiration of a quarter of an hour she left her sewing and went to read the Thenardiers' letter once more on the staircase.───一刻钟过后，她丢下她的工作，跑到楼梯上又去读德纳第夫妇的那封信。
Corresponds to the expiration date of a contract. The last day on which an option may be exercised into the underlying futures contract.───合约的有效期限。期权在原生期货合约执行的最后交易日。