美乌欧白宫系列会晤：泽连斯基放软身段，美欧分歧凸显

Group 1 - The meeting between US President Trump and Ukrainian President Zelensky on August 18 was marked by a friendly atmosphere, contrasting with their previous encounter six months ago, which ended in a heated argument [1][12][13] - Trump emphasized that the US is willing to provide security guarantees to Ukraine but insisted that Europe should take the lead in this matter, stating that they are the first line of defense [2][3] - During the meeting, Zelensky expressed gratitude towards Trump for his efforts to end the conflict and highlighted the importance of discussing sensitive issues, including territorial matters, in a future trilateral meeting with Russia [6][10] Group 2 - The discussions revealed a divide between US and European leaders, with Trump questioning the necessity of a ceasefire before negotiations, while European leaders, including German Chancellor Merz, advocated for a ceasefire as a prerequisite [8][11] - Trump indicated that if the meetings went well, he would arrange a trilateral meeting involving the US, Ukraine, and Russia, suggesting there is a reasonable chance to end the conflict [11] - The term "security guarantees" was mentioned nearly 20 times during the public statements, underscoring the importance of this issue among the leaders present [6]