谈判已经结束，中美没有签字，美财长空手回国，转身请特朗普出山

Group 1 - The core objective of the Trump administration is to pressure China regarding its reliance on oil from Russia and Iran, which is closely tied to ongoing US-China trade negotiations [1][3] - The recent US-China economic talks in Sweden did not result in a substantial agreement, highlighting the complexities of the relationship and the unreliability of verbal commitments [3][7] - The Trump administration's strategy aims to force China to purchase more US oil to alleviate the US trade deficit, leveraging the higher prices of US oil compared to Russian and Iranian oil [3][5] Group 2 - China maintains a firm stance on its right to choose oil suppliers and refuses to be constrained by US demands, emphasizing its independence in energy sourcing [5][7] - The Trump administration's approach mirrors previous trade agreements with Japan, the UK, and the EU, where countries accepted US tariffs in exchange for commitments to purchase US goods and energy [5][7] - Following the Sweden talks, Trump may delay decisions on extending tariff relief until after August 12, potentially waiting for Russia's response regarding the Ukraine conflict [7]