海南封关：为什么是扩大高水平开放的标志性举措？

Core Viewpoint - The official launch of the Hainan Free Trade Port on December 18 marks a significant step in China's commitment to high-level opening up and the construction of an open world economy [1] Group 1 - The Hainan Free Trade Port's closure operation is seen as a landmark initiative for expanding high-level openness [1] - Experts and media have been actively commenting on the implications of Hainan's closure, indicating its high-profile significance [1] - The government describes this move as a demonstration of China's unwavering commitment to promoting an open global economy [1]