俄称普京愿与泽连斯基会面但有前提！专家：双边会谈影响后续

Group 1 - The core viewpoint of the article revolves around the potential for a meeting between Russia, Ukraine, and the United States, with Russian Foreign Minister Lavrov indicating some flexibility from the Russian side, while also emphasizing the need for preconditions for such a meeting to occur [1][2] - Lavrov criticized Western countries for allegedly obstructing negotiations and described Ukrainian President Zelensky as "stubborn," insisting on immediate talks with President Putin regardless of circumstances [1] - The article highlights that the success of any future trilateral talks depends on the progress of bilateral negotiations between Russia and Ukraine, which must yield substantial results for further discussions to take place [2] Group 2 - The article notes that President Putin's meeting with President Trump in Alaska marked the first visit of a Russian president to U.S. soil since September 2015, indicating a significant diplomatic engagement [2] - Following the "Putin-Trump meeting," President Trump met with President Zelensky and European leaders, suggesting a multi-faceted approach to the ongoing crisis [2] - Experts from Fudan University suggest that substantial progress in multi-party negotiations could help resolve the Ukraine crisis, contingent on Europe ceasing to incite division and Ukraine accepting relevant arrangements [2]