According to CCTV International News citing Al Jazeera, Iran's latest negotiation proposal is divided into three stages, involving ceasefire, nuclear issues, and economic sanctions. The first stage includes a comprehensive ceasefire, the establishment of an international ceasefire mechanism, the gradual lifting of port blockades, and the withdrawal of US troops; The second stage discusses the cessation of uranium enrichment and the disposal of highly enriched uranium inventories within a maximum of 15 years; The third stage will explore the construction of the security system in the entire region with regional countries. (Dongxin Society)