欧洲人很后悔，早知要挨这一刀，还不如配合中国

Group 1 - The core viewpoint of the article highlights the unequal trade agreement between the US and the EU, where the EU makes significant concessions while the US benefits disproportionately [3][6] - The agreement stipulates a 15% tariff on EU goods, with the EU committing to invest $600 billion and purchase $750 billion worth of US energy products over the next three years [3] - The EU's previous tariff rate of 1.2% on US goods will no longer be applicable, indicating a significant shift in trade dynamics [6] Group 2 - EU leaders, including German Chancellor Merz, express satisfaction with the 15% tariff, despite it being a substantial increase from the previous rate [8] - There is a growing discontent among European citizens and scholars regarding the concessions made to the US, with some suggesting that a stronger stance against US tariffs could have yielded better terms [9] - The article suggests that the EU's dependency on US energy undermines its strategic autonomy, raising concerns about the future economic stability of EU businesses [6][11]