There would be no the beautiful gold, silver copper, iron and tin.

世上不会有鲜花一样的金银铜铁锡。

youdao

Silver and copper help to get off the dirt in the dark.

银和铜有助于清除黑暗中的污垢。

youdao

The materials from e-waste include iron, copper, gold, silver and aluminum.

电子垃圾中的材料包括铁、铜、金、银和铝。

youdao

Leadville had gold, silver and copper mines.

VOA: special.2010.03.08

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.

FORBES: Smart Money Is Long Gold, Silver, Copper, Oil And Zero Coupon Treasuries

The precious metal silver and copper, an industrial metal, were particularly hard hit during the final four weeks of the quarter as silver lost 27.9% and copper lost 24.9% during the month of September.

FORBES: Is The Commodities Bull Run Over?

Other commodities like gold, silver, copper, nickel, all are in high demand, and therefore really expensive.

NPR: Marketplace Report: China's Growth and Oil Prices