"Theoretical insights often lead to practical breakthroughs, bridging the gap between abstract ideas and real-world applications."
中心地的等级越高,其服务的区域越大,此类中心地的数量越少。
一个人若不能治理自己,便不能治理家庭;若不能治理家庭,便不能治理城市;若不能治理城市,便不能治理国家。