美国第一季度实际个人消费支出季率修正值 1.2%，预期1.7%，前值1.80%。

Group 1 - The core point of the article indicates that the revised figure for the first quarter's real personal consumption expenditures in the United States is 1.2%, which is below the expected 1.7% and the previous value of 1.8% [1]