谈到晚上8点，特朗普开出访华条件，北京不用给美国留座位了？

Group 1 - The core viewpoint of the article highlights the ongoing tensions and negotiations between the US and China regarding trade, with recent meetings indicating a continuation of tariff suspensions while also revealing strong demands from the US side [1][3] - The US has linked trade negotiations to geopolitical issues, with demands for China to increase purchases of US agricultural products and energy, and to cease imports from Russia and Iran, threatening significant sanctions if not complied with [3][4] - China's response to US demands reflects a balance of principles and strategies, maintaining its core interests while diversifying energy imports away from the US, indicating a shift in procurement strategies [4][9] Group 2 - Domestic divisions within the US regarding trade policy towards China are evident, with differing opinions among lawmakers about the approach to technology exports and national security, which may weaken the US negotiating position [6][7] - Economic pressures in the US, such as rising unemployment and declining exports to China, are pushing for a need to secure trade agreements, with the Trump administration seeking to replicate past successes to alleviate voter concerns [7][9] - The international community is increasingly critical of the US's politicization of trade issues, which is perceived as undermining global supply chains and promoting a self-serving agenda, while China is strengthening its resolve to pursue independent technological development [9]