美国务卿：俄美乌会谈取得进展，但最棘手问题仍未解决

Group 1 - The core viewpoint of the article highlights the ongoing discussions among representatives from Russia, the United States, and Ukraine regarding security issues, with some progress reported but significant challenges remaining [1][4] - U.S. Secretary of State Rubio noted that there has been "significant progress" in negotiations compared to the same period in 2025, indicating a reduction in unresolved issues [4] - Rubio emphasized that while the list of unresolved topics has "greatly shortened," the remaining issues are the most complex and difficult to address [4] Group 2 - The security working group from Russia, the U.S., and Ukraine held its first meeting in Abu Dhabi on January 23-24, where discussions focused on ending hostilities and the necessary security conditions, but no specific consensus was reached [4]