Group 1 - The core idea emphasizes the importance of both scientific metrics and humanistic care in the sustainable development of cities, particularly through discussions on "women-friendly cities" and the "Shanghai Index" during the 2025 World Cities Day Global Conference on Urban Sustainable Development [1][3] Group 2 - Significant progress has been made in women's friendliness in Chinese cities over the past 20 years, with improvements in public lighting and the establishment of family care rooms reflecting the city's attention to women's and family needs [3][5] - However, there are still "invisible inconveniences" in urban development, such as the replacement of small shops by large supermarkets, which diminishes women's shopping convenience and community engagement [3][5] - The concept of "independent women" is discussed, highlighting that true independence involves "multiple dependencies," allowing women to balance family responsibilities and social value [5] Group 3 - The "Shanghai Index," developed by the Shanghai government and UN-Habitat, serves as a measurement tool for global urban sustainable development, focusing on four core values: safety, inclusivity, resilience, and sustainability [7][9] - The index consists of a foundational database with 47 indicators, designed for self-comparison and improvement rather than competition among cities [7][9] - It aims to support scientific public policy decisions in urban renewal, using specific indicators like the "urban night lighting index" to track vitality changes in built-up areas [7][9] Group 4 - The "Shanghai Index" is tailored for different city types, allowing for differentiated application scenarios, akin to various events in the Olympics with their own scoring standards [9] - Future development of the index is envisioned to complement other technical tools, guiding global cities towards greener, fairer, and smarter development [9]