美国二季度GDP平减指数年化季环比初值 2，预期 2.2，前值 3.8。

Group 1 - The core point of the article indicates that the annualized quarter-on-quarter GDP deflator for the United States in Q2 is reported at 2, which is below the expected 2.2 and significantly lower than the previous value of 3.8 [1]