unsupported by other people 同义词：single-handed, unassisted,
例句与用法
1.
A certain amount of unbacked notes , signed by executives of the hongkong and shanghai banking corporation under duress , also went into circulation 当时香港上海丰银行的职员在日军强迫下，签署了大量没有储备支持的纸币，这些纸币更在市面流通。
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