Same city effect: It means that different areas in adjacent areas or larger areas can play an important role and linkage effect with each other. The same city effect is a new trend of urban modernization. Which of the following belong to the same city effect? ['A very common phenomenon in Europe is that many residents often work and live in a different city, and they are very convenient to travel by train, work happily, and live a happy life.', 'In the Yangtze River Delta region, a county-level city proposed a "cultural rise" strategy, forming an important strategic fulcrum centered on a famous historical and cultural town and a thousand acres of lakes.', 'After the opening of a Shinkansen, due to the reduced space cost and no advantages, the resources of characteristic cities were absorbed to places with higher returns, resulting in uneven development in some areas.', "A city government uses its advantages in resources and location to find the industry positioning, optimize the industrial structure, and highlight the characteristics of the region's industrial development. It has been integrated into the provincial capital economic circle in just two years."]