《三国志·魏书·乌丸鲜卑东夷传》
但是一些边远地区，通过辗转翻译，才能懂他们的语言，交通又不便利，很少有人知道那里的风土民俗。
然荒域之外，重译而至，非足迹车轨所及，未有知其国俗殊方者也。
However, some remote areas can only be understood through repeated translation, and the traffic is not convenient, so few people know the local customs.