外媒：特朗普拟向伊朗抛出“最后机会”方案 坚持零铀浓缩红线

Group 1 - The core viewpoint of the article is that President Trump is expected to present a "last chance" proposal to Iran, which will still adhere to the principle of "zero uranium enrichment" [1] - The new proposal may be slightly improved compared to the version submitted to Iran ten days prior [1] - Iran is reportedly seeking mediation with the Trump administration through Oman and Qatar to prevent Israeli attacks and to resume nuclear negotiations [1] Group 2 - Saudi Arabia is also reportedly working behind the scenes to promote a ceasefire through another channel [1] - Trump confirmed that Iran has contacted the U.S. to request an end to Israeli airstrikes [1] - Trump stated that Iran appears to be losing the conflict and must negotiate sooner rather than later [1]