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Metals invariably trade and therefore are priced in terms of weight: tons, pounds, ounces, etc.

在各种各样金属的交换中，它们的价格用重量来表达：吨，磅，盎司……等等。

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But he's not dabbling in the trade in the shops and boutiques - he's digging around in the sidewalk cracks for fractures and splinters of the precious metals and gems.

可他的工作不在商铺和精品店里——从人行道的缝隙里找寻贵金属和宝石碎屑才是他的致富之道。

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This means that it may be time for investors to reverse course in the currency, US exporters and precious metals trade taking profits in GLD and SLV.

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From the metals trade which is my daily bread I can tell you that no one is ever going to build another copper smelter in the US ever again.

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This means that it may be time for investors to reverse course in the currency, US exporters and precious metals trade, going short rather than long on these two trades.

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