In the year 2000, the United States did ease the agricultural export ban to Cuba, but a later tightening of policy, to require advance cash payments, choked off Cuban purchases of US grain.

VOA: standard.2010.07.29

It's different from Fed policy in that they set up a certain amount of money and auction that off to the highest bidder.

这与美联储政策不同,因为他们设定了一定数量的连出价最高的投标者,都无法触及的货币拍卖。

耶鲁公开课 - 金融市场课程节选

So they agreed to auction off it's a little bit different than a it's a little different from an ordinary monetary policy.

所以，他们同意将财产拍卖掉,这有一点儿不同于，有一点儿与,普通的货币政策不同。

耶鲁公开课 - 金融市场课程节选