宝石商所用的重量单位，等于2微克或0.0克拉。
A jeweler's unit of weight equal to 2 milligrams or 0.0 carat.
一个主要的问题与那些来自阿富汗等地的巡游人员有关，他们当中很多人是宝石商，以人为太高的价格出售假珍宝。
One of the major problems concerned the many itinerant men from places like Afghanistan, many of them jewellers, selling fake jewelry at inflated prices.
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