为了应对信贷危机，美国联邦储备委员会（Fed）和其他央行向金融机构提供了大量应急现金，但如今他们正在采取新措施，逐渐关紧流动性阀门。

The Federal Reserve and other central banks took new steps to turn down the faucets on the flood of emergency cash they are providing to financial institutions to address the credit crisis.

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2009年，美国联邦储备委员会（Federal Reserve）疲于奔命地向金融系统注入一万亿美元应急资金，以求拯救美国经济。

The Federal Reserve pumped $1 trillion into the financial system during a year of harried efforts to rescue the economy.

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