在本世纪即将结束的今天,估计在下一个十年初,每年国际间旅行将超过10亿人次,其中绝大部分是因工作和游览观光而旅行,这部分旅行人群将自成体系。随着移民、难民、政治避难、留学生和出国劳务人员的增加,从原居住地迁徒到遥远地域的流动人口越来越多;迁徒人群的膨胀是生存环境全球化的结果。在过去的十年中,我们可以从中欧 At the end of this century, it is estimated that at the beginning of the next decade, there will be more than 1 billion international trips each year. The vast majority of these trips are for work and sightseeing, and this part of the traveling population will be self-contained. With the increase of immigrants, refugees, political refugees, overseas students and labor force going abroad, more and more migrants migrate from their original places of residence to remote areas. The influx of migrants is the result of the globalization of living environment. In the past ten years, we can from Central Europe