美财长表示若中方不主动让步，美国将升级局势，可能对华实施禁运

Group 1 - The core message from U.S. Treasury Secretary Janet Yellen is a warning to China to make concessions on trade and economic issues, or face escalated tensions from the U.S. [1][3] - Yellen's statements are seen as a psychological tactic aimed at pressuring China to comply with U.S. demands, such as reducing exports to the U.S. and opening more markets [5][9] - The backdrop of Yellen's remarks includes domestic economic challenges in the U.S., such as inflation and supply chain issues, as well as the shifting global economic landscape where China's influence is growing [7][9] Group 2 - The U.S. is concerned about China's advancements in high-end manufacturing and technology sectors, particularly in semiconductors, which could threaten U.S. technological dominance [11][18] - Yellen's tough stance is also influenced by the political climate in the U.S., as upcoming elections create pressure for politicians to adopt a hardline approach towards China [9][20] - China's economic resilience and strategic partnerships globally provide it with leverage against potential U.S. sanctions, making a complete economic decoupling challenging for the U.S. [11][14] Group 3 - The potential for U.S. sanctions or embargoes on Chinese goods raises concerns about the impact on American consumers and businesses, as many rely on Chinese manufacturing [13][14] - The complexity of implementing sanctions is highlighted, as it could lead to significant disruptions in the U.S. economy, affecting prices and corporate operations [14][16] - The ongoing U.S.-China rivalry is characterized as a long-term strategic battle, with both sides needing to maintain their positions without overreacting to threats [16][18]