... 晶石／semi-precious stones 宝石原料／gems rough 首饰类／jewelry ...
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Natural Gems Rough 天然宝石原料
gems rough
宝石粗糙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The firm controls much of the world's trade in rough gems, and uses its market power to keep prices high.
ECONOMIST: Diamonds
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