城市是人类社会发展到一定阶段产生的集约、高效利用土地资源的空间形式。中外城市化发展历程表明,城市化和城市的发展推动了经济和人口的集聚,提高了包括土地在内的各种生产要素和资源的利用效率,极大地促进了人类的经济发展和社会进步。 Cities are the spatial forms of intensive and efficient use of land resources resulting from the development of human society to a certain stage. The development of urbanization in both China and foreign countries shows that urbanization and urban development have promoted the economic and demographic agglomeration, improved the utilization efficiency of various production factors and resources including land, and greatly promoted human economic development and social progress.