以下为句子列表：
英文: Recently, central bankers have also begun wondering whether they have a fiduciary duty to make higher returns from the public wealth under their supervision, which could mean placing at least some part of foreign-exchange reserves in high-yielding, if les
中文: 近来，中央银行的银行家们也开始对之困惑，他们作为受托方是否有责任在他们的监管下为其委托人从社会财富中谋取更高的回报，这可能意味着至少把一部分的外汇储备用于低流通，但产出高的投资。
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