Time clauses can refer to the past, present, or future.

时间状语从句可表示过去、现在和将来。

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Some contracts include “clawback” clauses, which allow performance-related payments to be reclaimed if the performance that was rewarded turns out to have been worse than it seemed at the time.

一些合同包括“弥补性收入”条款，即当已经嘉奖的业绩后来表现得并没有原先那样出色的话，那么允许收回与业绩相关的酬劳。

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Any data items that have value clauses are initialized to the appropriate value at that time.

含有value子句的任意数据项将在此时被初始化为一个适当的值。

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She raised concerns about the possibility of government ministers being able to tamper with the royal charter through the Privy Council at any time and urged clauses in statute providing this could not happen.

BBC: Labour: Conservative royal charter 'dilutes' Leveson

Expand Medicaid today and pocket the 100% funding Washington is dangling in front of them for a time, but include so-called "sunset" clauses that would rescind the new coverage if Medicaid proves too costly or if the feds renege on their free-money promises.

WSJ: Review & Outlook: New Medicaid's Roach Motel

Moreover, I am asserting my readiness to submit, at a later time, an (additional) request to change any other clauses referred to me by the constitutional committee, according to the needs and justifications it sees fit.

BBC: Egypt unrest: Full text of Hosni Mubarak's speech