Core Viewpoint - The article discusses the "15th Five-Year Plan" for China's economic and social development, emphasizing the importance of expanding domestic demand as a strategic foundation for modernization, driven by technological innovation, service industry upgrades, and regional collaboration [2][10]. Group 1: Technological Innovation Driving Supply Upgrades - The plan aims to significantly enhance self-reliance in technology, integrating technological and industrial innovation to boost domestic demand [3]. - New technologies such as AI, 6G, quantum technology, and biomedicine will create new products and services, expanding effective investment and new consumption scenarios [3][4]. - The marketization of data factors will unlock demand in new service industries and platform economies, enhancing digital infrastructure needs [4]. Group 2: Service Industry Upgrades Activating Investment and Consumption Potential - The plan promotes high-quality development in the service industry, focusing on specialized and high-value services in production and diverse, convenient services in daily life [5]. - Productive services enhance manufacturing competitiveness and drive effective investment in high-end equipment and digital infrastructure, while life services directly increase consumer spending [5][6]. - Four key areas in life services are expected to grow rapidly: healthcare and biomedicine, cultural tourism and digital content, education and vocational training, and elderly care and community services [6][7]. Group 3: Regional Collaboration Optimizing Resource Allocation - The plan emphasizes optimizing major productivity layouts and fostering regional economic cooperation to enhance resource allocation efficiency [8]. - Coordinated regional development will facilitate deeper industrial collaboration and division of labor, improving supply quality and driving investment growth [8][9]. - Key directions for regional economic collaboration include creating cross-regional innovation networks, enhancing supply chain resilience, and promoting green energy cooperation [9].