随着蒙古族的第一次西征，就不同程度地恢复和建立驿站。

Along with the first-time west of the clan advertise for, Mongolia built up courier station in different degree .

youdao

随着蒙古族的第一次西征，就不同程度地恢复和建立驿站。

Along with the first-time west of the clan advertise for, Mongolia built up courier station in different degree .

youdao