请在不改变大意的前提下，让这段话更专业更正式一些：-negative rates on excess reserves prompt banks to rethink their reserve management strategies. When central banks impose negative interest rates on the excess reserves that banks hold with them, this can lead banks to reassess how they manage their reserves, potentially exploring alternative investment options.
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负利率政策对超额准备金的影响促使商业银行重新审视其准备金管理策略。当中央银行对商业银行存放在其处的超额准备金实施负利率时，这将导致商业银行重新评估其准备金管理方式，可能探索其他投资选择。
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