美联储米兰称商品通胀表现得更为顽固。

Group 1 - The core viewpoint of the article is that inflation in commodities is showing more persistent behavior, as stated by the Federal Reserve's Milan [1] Group 2 - The article highlights the ongoing challenges in managing commodity inflation, indicating that it may not subside as quickly as anticipated [1] - It suggests that this persistent inflation could have implications for monetary policy and economic forecasts [1]