APEC会议“非正式”，却为何如此重要

Group 1 - The APEC informal leaders' meeting will take place from October 31 to November 1 in Gyeongju, South Korea, attracting global attention due to the current economic challenges and the significance of APEC as a major economic cooperation mechanism in the Asia-Pacific region [1][2][6] - APEC, established in 1989, has evolved into the highest-level economic cooperation mechanism in the Asia-Pacific, comprising 21 major economies, including China, the US, Japan, and Australia [3][6] - The meeting aims to address global challenges such as unilateralism and protectionism, with a focus on promoting cooperation for mutual benefit and sustainable development [7][9] Group 2 - The theme of the meeting is "Building a Sustainable Tomorrow - Connectivity, Innovation, Prosperity," with discussions on AI regulation and demographic changes [7] - China is expected to play a significant role, with President Xi Jinping delivering a key speech and engaging in bilateral meetings, emphasizing China's commitment to regional cooperation and economic growth [9][11] - Gyeongju, chosen as the meeting venue, is a city rich in history and culture, which South Korea aims to leverage to enhance its diplomatic and economic influence [10][11]