Both treated and synthetic gem materials are encountered today in the jewelry marketplace in increasing varieties and quantities.
在当今珠宝首饰市场上，无论是优化处理的还是合成的宝石材料，其种类和数量都在增加。
Both treated and synthetic gem materials are encountered today in the jewelry marketplace in increasing varieties and quantities.
在当今珠宝首饰市场上，无论是优化处理的还是合成的宝石材料，其种类和数量都在增加。
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