美联储主席鲍威尔：移民政策降低了劳动力的增长，但对劳动力的需求也下降了。

Core Insights - The Federal Reserve Chairman Jerome Powell stated that immigration policies have led to a decrease in labor force growth, while also noting a decline in labor demand [1] Group 1 - Immigration policies have negatively impacted the growth of the labor force [1] - There is a simultaneous decrease in labor demand, indicating a complex relationship between immigration and employment [1]