To acquire mortgages the Treasury plans to use “reverse auctions”.

为了得到抵押贷款资产，财政部计划使用“倒拍卖”的方法。

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Electronic procurement, including the use of reverse auctions, has the potential to contribute significantly to achieving these goals.

拍卖和反向拍卖在电子采购中的应用，可以为企业实现这些目标提供很好的支持。

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It relies on reverse auctions in which those solar producers who commit to producing power at the lowest cost win the right to operate.

那些太阳能制造商是依靠逆向拍卖选出的，谁能用最低的成本生产能源，谁就能获得运营的权利。

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But some economists note that reverse auctions work best when the assets being auctioned off are essentially identical.

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By market capitalisation, Priceline.com, which runs reverse auctions for airline tickets and a few other things (including groceries), is worth as much as American Airlines.

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Meanwhile, the once radical e-sourcing idea has become routine for Tata, which ran 750 reverse auctions on Ariba in the past year to bring down purchasing prices by an average of 7% for everything from ball bearings to the milk served in the company cafeteria.

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