Federal Reserve Board Chairman Alan Greenspan and others have said they want to move the federal funds rate to a neutral level that would neither spur nor slow economic growth.

• 美联储主席艾伦格林斯潘和其他官员说过，他们希望将联邦基金利率增加至一个中性的水平，既不刺激也不拖慢经济的增长。