期权存在的最后一天称为失效日或者到期日。
The last date on which the option may be exercised is called the expiration date or the maturity date.
这一调查显示，截至8月22日，22%的上班族都还没有或尚未计划用掉任何假期，尽管不休假的话可能会让这些假期失效。
The survey showed that up until August 22 percent of workers had not used or planned to use any vacation days, despite potentially forfeiting the days if they were not taken.
7月8日之前不会有合约签订或正式宣布，因为那天联盟年度薪资协议会失效。
No contract can be signed or officially announced until July 8, when the league’s annual moratorium on trades and signings ends.
该机构的经营管理条列于7月22日失效，而国会议员们未能解决关于延长经营管理条列的一个小小分歧。
Congressmen could not resolve a petty disagreement over the extension of the agency's operating-authority bill, which expired on July 22nd.
7月8日之前不会有合约签订或正式宣布，因为那天联盟年度薪资协议会失效。
No contract can be signed or officially announced until July 8, when the league's annual moratorium on trades and signings ends. During that period, the n.
该婚姻证明将于该证明签发日起的第30天失效。
This marriage license will expire at the end of 30th day following the date of issuance.
2003年国会推行法案，规定购买新资本货物可免税50%，但该优惠已于2004年12月31日失效。
In 2003, Congress introduced a 50 per cent tax allowance for purchases of new capital goods, but it expired on December 31 2004.
在开出保函后60日历天或者上一船装完后60日历天内未能装船，该保函则自动失效。
The Bank Guarantee will be null and void automatically if the Seller failed to delivery the cargo within 60 calendar date of Bank Guarantee or within 60 calendar days after the last shipment date.
电子邮件可能是来自信用卡发卡银行的紧急通知基于安全理由，你的信用卡将于10日内失效。
It may begin with an "urgent message" from the bank that issued your credit card: "For security reasons, your credit card will expire in 10 days."
该盘从一月十五日起已失效，我方不承担责任。
We are freed from the obligation for this offer which has been invalid since15th January.
专利有效期为20年，自申请日起算。 当然，如果中间没有持续缴纳年费的话将会使专利失效。
The duration of aFrench patent is 20 years calculating from the filing date subject to the payment of annuities.
专利有效期为20年，自申请日起算。 当然，如果中间没有持续缴纳年费的话将会使专利失效。
The duration of aFrench patent is 20 years calculating from the filing date subject to the payment of annuities.
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