美联储副主席杰斐逊：净移民人数下降是阻止失业率出现更显著上升的一个主要因素。

Core Insights - The decline in net immigration is a significant factor preventing a more pronounced increase in the unemployment rate [1] Group 1 - The Federal Reserve Vice Chairman Jefferson highlighted that the decrease in net immigration plays a crucial role in stabilizing the labor market [1]