中国自古以来就把衣食住行列为人们生存的四大基本要素。交通运输的发达程度是衡量一个国家现代化程度的标志之一。新中国成立以来,特别是改革开放以来,交通运输业有了很大的发展。现在已经初步形成横贯东西、沟通南北、联系世界、水陆空并举的综合运输体系。但是四通八达的公? Since ancient times, China put the basic necessities of life as the four basic elements of people’s lives. The level of development of transport is one of the hallmarks of a country’s modernization. Since the founding of new China, especially since the reform and opening up, the transportation industry has made great progress. Now it has initially formed an integrated transport system that traverses things and communicates north and south, connects the world and simultaneously serves both water and land. But the public in all directions?