德意志银行研究人员5月19日进行的一项快速调查的结果显示，在450名受访者中，80%的人与穆迪持有类似观点，认为美国债务的走势看起来不可持续。

Core Insights - A recent survey conducted by Deutsche Bank researchers on May 19 revealed that 80% of the 450 respondents share a similar view with Moody's, indicating that the trajectory of U.S. debt appears unsustainable [1] Group 1 - The survey involved 450 participants [1] - 80% of respondents align with Moody's perspective on U.S. debt sustainability [1] - The findings suggest a growing concern regarding the long-term viability of U.S. debt levels [1]