美方主动接触，中方措辞变了，耶伦：关税让美国衰退概率显著上升

Group 1 - The core viewpoint of the articles indicates a subtle shift in US-China relations, with the US becoming more proactive in engaging with China, particularly regarding tariff issues [1][2][4] - The US is under significant domestic economic pressure, including stock market volatility and rising prices, prompting a need for diplomatic progress to avoid political backlash [1][6] - The US's previous pressure tactics have not yielded the desired results, as China remains firm and is not inclined to negotiate under current circumstances [2][5] Group 2 - China's response to the US's overtures has evolved from outright denial to a cautious evaluation, signaling a willingness to engage if the US demonstrates genuine intent [4][9] - The US's tariff policies are increasingly being questioned internally, with former Treasury Secretary Yellen highlighting the negative impact on the US economy and potential risks of recession [5][6] - The trade war has reached a challenging phase, with the US facing economic setbacks and the realization that it has not gained significant advantages from the tariffs [6][9] Group 3 - The negotiation strategy of the US is characterized by contradictions, attempting to apply pressure while also signaling a desire for dialogue, which China is strategically navigating [7][9] - The consensus is that there are no winners in the tariff war, with both the US and China experiencing adverse effects, and the global economy facing increased challenges [9]