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。

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The materials from e-waste include iron, copper, gold, silver, and aluminum materials that could be reused, resold, salvaged, or recycled.

电子垃圾中的材料包括铁、铜、金、银和铝，这些材料可以被重复利用、转售、废物利用或回收。

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Demand for this exotic fabric eventually created the lucrative trade route now known as the Silk Road, taking silk westward and bringing gold, silver and wool to the East.

对这种具有异国情调的面料的需求最终创造了有利可图的贸易路线，即现在所说的丝绸之路，这条路线把丝绸带向西方，把金、银和羊毛带到东方。

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The great wealth taken from the gold and silver mines was usually invested in other businesses: shipping,railroads,factories, stores,land companies.

VOA: special.2010.03.18

It's that the pounds of gold plus the pounds 8 of silver plus the pounds of raisins is no greater than eight.

就是金的磅数加上银的磅数,加上葡萄干的磅数不大于,所以我已经找到了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Yeats represents that moment of consummation as the plucking of the silver and the gold apples.

叶芝用采撷银苹果和金苹果,来表现这一极致的时刻。

耶鲁公开课 - 现代诗歌课程节选

The EU debt crisis remains a bullish underlying fundamental for the gold and silver markets, due to the safe-haven asset status that gold and silver hold.

FORBES: P.M. Kitco Metals Roundup: Comex Gold Sees Late Sell Off on Profit Taking, Big Drop in Crude Oil

You can easily buy gold and silver through a vehicle that is backed by actual gold and silver rather than derivatives, swaps, and other esoteric paper promises.

FORBES: A Canadian Closed-End Gold And Silver Fund With A Tax Break

This must indicate the regulators want to wipe out the traders in leveraged gold and silver futures to get speculation and volatility out of the gold and silver markets.

FORBES: Silver Down 30%, Gold Off 11% As Panic Hits Precious Metals