5月1日电，耶伦称特朗普关税将产生“极大的负面”影响。

Core Viewpoint - Yellen stated that Trump's tariffs will have a "significant negative" impact, leading to a notable increase in the likelihood of a recession in the U.S. [1] Group 1 - The tariffs imposed by Trump are expected to create substantial adverse effects on the economy [1] - There is a significant rise in the probability of a recession occurring in the United States as a result of these tariffs [1]