Jackson had been a major power-broker in the 1988 Presidential elections.
杰克逊是1988年总统选举中举足轻重的权力经纪人。
柯林斯高阶英语词典
A power broker who does you a favor will expect you to return it.
经纪人为你服务,你必须付报酬.
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He is a power broker in a universe of infinite possibilities.
他就是无尽宇宙中的权利追逐者.
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