美联储古尔斯比：新一轮关税将适用于零部件和铜，并将重新审视对欧洲和加拿大的关税措施，此举未能带来帮助。

Group 1 - The Federal Reserve's Goolsbee indicated that a new round of tariffs will apply to components and copper, suggesting a shift in trade policy [1] - The review of tariff measures on Europe and Canada is underway, highlighting a potential reassessment of existing trade relationships [1] - The current tariffs have not proven to be beneficial, indicating a need for reevaluation of their effectiveness [1]