修建高速铁路热的一个原因是利润大,可以在短期内收回投资。日本东海道高速线于1964年10月通车后,至1970年即已同收投资。法国高速线的回收期为13年。尽管如此,为减少风险,高速线仍以分段建没为宜,日、法、意、德、西班牙等国皆然。文章根据 One of the reasons for building high-speed railways is that they have big profits and can recover their investments in the short term. Japan’s Tokaido high-speed line opened to traffic in October 1964, until 1970 has been the same investment. The French high-speed line has a payback period of 13 years. However, in order to reduce the risk, high-speed lines are still not suitable for construction by sections, Japan, France, Italy, Germany, Spain and other countries. Article based