1. The momentum and engine of cities are crucial for sustainable development.
2. "If population movement continues, two-thirds of humanity will enter cities unconsciously, bringing opportunities and challenges."
3. Cities have emerged with many innovations and solutions, making them important participants in the global discussion on Sustainable Cities Initiatives.
4. Cities have demonstrated their resilience and provided opportunities for growth and recovery, making us hope to create conditions for a better future.
5. The United Nations, as a space for member states, has many innovations emerging from cities and finding their place in the United Nations.

This year's theme is "Better Cities: Better Life," and the event emphasized the importance of financing a sustainable urban future for all by addressing multiple issues. The participating mayors shared their experiences and achievements in sustainable development in their cities and emphasized the importance of financing for the Sustainable Cities Initiative.

At the forum, the mayors shared their experiences and achievements in sustainable development in their cities and emphasized the importance of financing for the Sustainable Cities Initiative. They believe that investing in green infrastructure, clean energy, and public transportation systems can effectively improve the quality of life in cities, while also helping to reduce environmental pollution and address the challenges of climate change.

The mayors also discussed how to attract more private investment in the sustainable development of cities. They believe that the government should formulate corresponding policies and incentives to attract businesses and individuals to invest in sustainable projects in the city. In addition, the mayors emphasized the importance of public participation, believing that only by letting citizens understand and participate in the sustainable development of the city can the long-term development of the city be truly realized.