Three styles existed: using gold, silver or copper thread to sew the jade slip together.

有三个风格仍然存在：用金、银、铜丝线把玉片缝在一起。

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It was still more customary in Europe to used a toothpick after meals, made of a goose feather, silver or copper.

在欧洲，人们更习惯于饭后使用牙签。牙签的材质有鹅毛、银制或铜制。

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Currently many Korean companies use the conductive paints comprising silver or copper, which are mainly imported from America.

目前许多韩国公司使用含银或者铜的导电涂料，它们主要是从美国进口的。

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Gold money will change for smaller money in order to make smaller transactions, one ounce for twenty of silver, or 6000 of copper.

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Silver and copper are smaller markets, but their adherents argue that the industrial demands for the shiny stuff by nations that must build out their infrastructure products such as the fast speed transportation system in China or the ports of India, Thailand another emerging markets clearly suggest a shortage of silver and copper, possibly iron ore as well.

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