不到24小时，美国4大部长发声，特朗普坐立难安，催促中国快接电话

Group 1 - The article highlights the ongoing tensions between the US and China, with US officials accusing China of not adhering to agreements, while China has made significant concessions by reducing tariffs on US goods by 91% and suspending 24% of retaliatory tariffs for 90 days [1][5] - US Defense Secretary Lloyd Austin's remarks at the Shangri-La Dialogue indicate a strong stance against China's military expansion, suggesting that the US is prepared for conflict if deterrence fails, which reflects the heightened geopolitical tensions in the region [1][5] - The US Treasury Secretary has indicated that trade negotiations with China are currently stalled, emphasizing the need for direct communication between the leaders of both countries to facilitate progress [3][5] Group 2 - The article discusses the implications of the US's recent actions against Chinese high-tech products and other sectors, suggesting that these measures indicate a lack of genuine intent from the US to resolve issues through dialogue [5][7] - The situation is further complicated by domestic political dynamics in the US, where actions against institutions like Harvard University are seen as part of a broader cultural conflict, impacting international students, including many from China [3] - Analysts warn of potential crises in the US debt market due to extreme fiscal policies, which could have broader implications for the US economy and its relationship with China [5]