联储持有债券的平均到期日是五到十年，联储必须想办法在长时间内抹除，或者“清理”相关银行储备。

Since the average maturity of the Fed's bond holdings is five to ten years, the Fed will have to find a way to mop up, or "sterilise", the related bank reserves for a long time.

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格拉多. 罗格里格斯, 墨西哥债务办公室的首脑说，在墨西哥债券的平均到期日已经从2000年的1.5年后延长到10年过后的7年后。

In Mexico average maturities have gone from 1.5 years in 2000 to seven years a decade later, says Gerardo Rodríguez, who heads the country's debt office.

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其到期收益不仅与期权到期日的标的资产价格有关，而且还依赖期权合同期内标的资产在某段时间内或整个合同期内的平均价格。

Its terminal payoff is not only connected with the price of underlying asset on the expiration date, but also depends on average price over a part or the whole of the life of the options.

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