美国洛杉矶港负责人：美总统加征关税加剧企业不确定性

Group 1 - The core viewpoint of the article highlights the increased uncertainty faced by American businesses following President Trump's announcement of a new round of global tariffs raised to 15% [1] - Gene Seroka, the executive director of the Port of Los Angeles, indicated that businesses are struggling to make long-term strategic plans regarding talent, investment, and technology due to unclear policy directions [1] - The forecast for the U.S. economy suggests a "bumpy road" ahead, with consumers likely to experience pressure from rising prices [1]