美国未偿国债突破30万亿美元，自2018年以来翻了一番

Group 1 - The total U.S. government debt has surpassed $30 trillion for the first time, more than doubling since 2018 [1] - The total amount of Treasury bills, notes, and bonds increased by approximately 0.7% in November, reaching $30.2 trillion [1] - The cost of servicing this debt has reached $1.2 trillion [1]