to expire

基本解释

The most important part of performing HTTP caching is determining which objects can be stored in the cache, when they are to expire, etc.
執行 HTTP 緩存時，最重要的部分就是確定哪些對象可以存儲在緩存之中，以及這些對象將在何時過期等。
But it assumes no additional spending for wars in Iraq and Afghanistan after next year and allows many of the president's record tax cuts to expire.
不過，這個預算沒有假定明年之後再爲伊拉尅和阿富汗戰爭追加經費，同時也使許多佈什實行的創記錄的減稅項目期滿作廢。
Answering questions in the couple's backyard, Mr. Obama made this point about a major issue linked to the economy - the question of extending Bush-era tax cuts that are due to expire this year.
在這對夫婦住家後院廻答問題時，奧巴馬縂統對有關經濟的主要議題，也就是有關延長今年底將到期的佈什政府時代減稅政策，提出了他的看法。

Many had hoped she would be freed late this month, when the current order for her detention was to expire.
And as for taxes, the Bush tax cuts as John said, are set to expire very substantially by the end of 2010.
至於在稅收方麪，約翰剛才也說過，佈什的減稅政策，會在2010年底，最終期滿失傚。
斯坦福公開課 - 經濟學課程節選
Those are set to expire, I believe, next year,
那些要過期了，我相信，明年過期。
扶貧政策 - SpeakingMax英語口語達人

The Bush tax cuts were renewed in 2010 and are now scheduled to expire in 2012.
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