美联储主席鲍威尔：任何油价冲击都取决于事实和环境，美国石油行业更加谨慎，专注于回报。

Core Insights - The Federal Reserve Chairman Jerome Powell stated that any oil price shocks will depend on facts and circumstances, indicating a cautious approach from the U.S. oil industry focused on returns [1] Industry Summary - The U.S. oil industry is becoming more cautious and is prioritizing returns over aggressive expansion [1]