backdate
[ˈbækˌdet]
vt.
倒填日期;
使（付款等）在较早的日期开始生效;
例句:
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Anyone who has overpaid tax will be able to backdate their claim to last April.
超额纳税者申领退款可以从去年4月算起。
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He had to back down on plans to backdate the tax changes.
他不得不放弃追溯税收调整的计划。
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Backdate your invoice to April 1 st.
你的发票日期应填到4月1日算起.
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The European Court of Justice ruled the women were entitled to backdate their pension to 1976.
来自BBC
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It has been widely criticised for its failure to backdate a 2.5% pay rise for police in England, Wales and Northern Ireland.
来自BBC