欧洲中古生活是宗教的、关闭的生活。随着中古的开始,欧洲和外界的关系也渐渐隔离。第7世纪回教民族的崛起和因此而发生的圣地寻礼与十字军东征才使东西的交通又活跃起来。但最主要的还是13世纪的元人西征,引起了西方对华的兴趣。元亡,中西交通暂告中 Middle European life is a religious, closed life. As the Middle Ages began, the relations between Europe and the outside world were gradually isolated. The rise of the Muslim nation in the 7th century, and consequent Holy See and Crusades, revived the traffic of things. But the most important thing is that the 13th-century elites expedition has aroused the interest of the West in China. Yuan death, the Chinese and Western traffic tentatively