国际时政周评：聚焦中美关系后续进展

Group 1: US-China Relations - The fourth round of US-China trade talks occurred on September 14-15, focusing on resolving short-term risks and stabilizing market expectations, with a consensus on addressing issues like TikTok[4] - A phone call between the US and Chinese presidents on September 19 provided strategic guidance for the stable development of bilateral relations[9] - Future interactions between the US and China are anticipated, including potential discussions on fentanyl tariffs and agricultural exports, with a significant meeting at the APEC summit in late October[16] Group 2: Geopolitical Conflicts - Ongoing geopolitical tensions include US military actions against alleged drug trafficking vessels from Venezuela and escalating conflicts in the Middle East and Ukraine[12] - The EU has proposed new sanctions against Russia, covering energy, financial services, and trade restrictions, amid continued military actions in Ukraine[12] - The signing of a strategic defense agreement between Saudi Arabia and Pakistan highlights the shifting dynamics in regional security[12] Group 3: US Domestic Policies and Tariffs - The US Supreme Court will hear arguments on the legality of tariffs imposed by the Trump administration on November 5, which may influence future tariff policies[20] - The Trump administration is focusing on reinforcing domestic industry security through ongoing Section 232 investigations in various sectors, including semiconductors and pharmaceuticals[20] - A new fee of $100,000 on H-1B visas has been introduced, reflecting the administration's political motivations and potential impacts on the tech industry[20]