Secretary Clinton said current levels of debt and deficits cannot continue without the United States losing influence and being limited in the decisions it has to make.

VOA: special.2010.05.29

The shortest term debt instrument in the United States is the Federal Funds Rate, which is an overnight rate--one day maturity-- and the longest issued by the Government is a thirty-year government bond, which will be repaid three decades in the future.

美国最短期的债券,是联邦基金利率,隔夜拆兑,一天到期,而时间最长的国债,是一种三十年期的政府债券,未来三十年才兑现

耶鲁公开课 - 金融市场课程节选

And China now holds more United States government debt than any other nation.

VOA: special.2009.11.21

Greece's debt crisis has shaken investors in the United States and worldwide.

VOA: special.2010.05.07