But it's easier for communities to buy equipment - and look for tech solutions - because there's Homeland Security money and no shortage of contractors to supply the silver bullet.

但公众购买设备(以及寻找高技术解决方案)变得更容易，因为有国土安全部的钱，也不缺提供优秀解决方案的承包商。

youdao

Ultimately, they exported huge supplies of gold and silver from Bolivia, Brazil, Colombia and Mexico, vastly increasing Europe's money supply.

最终，他们从玻利维亚、巴西、哥伦比亚和墨西哥出口了巨量的黄金和白银。

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The extra gold increased the supply of money in the same way silver would have increased it.

VOA: special.2010.07.01

He also had approved an increase in the supply of silver money.

VOA: special.2010.06.17

Without silver,they said, the country's money supply would be too small.

VOA: special.2010.06.17

Total silver supply from all of these sources climbed to 1.048 billion ounces in 2012 from 1.039 billion the year before, according to the World Silver Survey 2013.

FORBES: Silver Institute: Global Silver-Mine Output Rises 4% To Record High In 2012

Primary silver mine supply grew by 1% to 221.6 million ounces, accounting for 28% of global silver mine output.

FORBES: Silver Institute: Global Silver-Mine Output Rises 4% To Record High In 2012

With new silver sources opened up in the west, the supply of silver increased but with demand steady, the price steadily fell.

FORBES: A Gold Standard Is Big Oil's Best Defense Against Political Attack