vt.倒填日期,使(付款等)在较早的日期开始生效
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。
Backdate your invoice to April 1 st.
你的发票日期应填到4月1日算起.
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。