He has sold most of his discoveries to metal refiners or diamond sellers, while keeping some melt down for future use.

他已经将收集的绝大部分材料卖给了炼金者和珠宝商，只保留了少许黄金准备将来熔炼后再用。

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But then they would melt down the old and reissue them debauched with increasing portions of less precious metal alloys.

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