一场没有赢家的冲突：美国介入后的以伊局势变化及各方困境

Group 1 - The core viewpoint of the articles revolves around the fragile ceasefire agreement between Israel and Iran, which is seen as a temporary halt to ongoing conflicts rather than a long-term resolution [1][3][4] - The ceasefire was announced by Trump, involving two 12-hour periods of cessation of hostilities, but the details of the agreement remain unclear, leading to confusion regarding the sequence of attacks and responses [2][3] - Experts express skepticism about the durability of the ceasefire, citing the lack of formal documentation, clear procedures, and enforcement mechanisms, which lowers the cost of violating the agreement [3][6] Group 2 - The U.S. has been criticized for its role in escalating tensions in the region, with Trump's administration being described as increasingly aggressive and interventionist, undermining its image in the international community [7][8] - There are conflicting reports regarding the effectiveness of U.S. airstrikes on Iranian nuclear facilities, with some intelligence suggesting that the strikes only delayed Iran's nuclear program rather than destroying it [5][6] - The current geopolitical landscape in the Middle East may shift towards a "law of the jungle" approach, where power dynamics dictate interactions, potentially leading to more confrontational strategies rather than diplomatic negotiations [7][8]