Most of these devices, which are not yet available for consumer purchase, would generate power as a person walks, runs or, in this case, talks. The U. s.

大部分这些设备，消费者目前仍然还无法买到，这些设备将能够在一个人走路、跑步以及这里所说通话的情况下产生电能。

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If a retailer offers to ring up your purchase in u.

如果有零售商人提出说，要将你的消费以美元来计算。

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During the following month, arrangements were made to purchase 50,000 units of Swedish dextran for the Armed Forces, to bridge the gap while U. S. manufacturers were getting into mass production.

在随后的一个月，安排为武装部队购买50,000单位瑞典葡聚糖，以弥合这一差距，而美国制造商已经进入大规模的生产。

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Federal Reserve officials announced a plan to purchase up to $300 billion in long-term U.S.government bonds to bolster the nation's economy.

VOA: standard.2009.03.18

The central bank also announced that it would purchase up to $750 billion of additional mortgage-backed securities, which lost value with the collapse of the U.S.housing market.

VOA: standard.2009.03.18

That accord mandated by the U.S.Congress is a necessary prerequisite for American aerospace firms to bid on a pending Indian purchase of 126 multi-role fighter jets, potentially the largest-ever arms sale.

VOA: standard.2009.07.20

The amount is an all-time high as the Federal Reserve continues to expand its balance sheet, partially to purchase U.S. government debt securities.

FORBES: Is Apple The Next Polaroid?

On what analytical basis is it said that the Soviet Union cannot afford to purchase U.S. agricultural products and foodstuffs by simply restructuring Moscow center's spending priorities?

CENTERFORSECURITYPOLICY: Moscow Center's Food Aid Crusade: Where's The Beef?

When those are bought, the seller is taking in dollars that will either be used to purchase U.S. exports (we remain the largest exporter in the world) and equities, or exchanged with others who desire what we make and issue.

FORBES: The Fed chairman has no idea what he's talking about.