精选优质文档-倾情为你奉上Unite One Transportation SystemText A The role of transportationTransportation is foundational to the development and operation of a modern society. It permits the specialization of work effort necessary to achieve efficiency and productivity. Geographically distant resources become accessible with transportation. The economic growth of any society is directly related to the availability of transportation.交通运输作为现代社会发展和运行的基础实现了分工的专业化，从而提高了工作效率和生产率。通过交通运输，在地理位置上显得遥不可及的地理
