《魏书·列传·卷九十一》
于是，蠕蠕国部落四处奔散，窜逃藏匿于山谷地区，弃下各种牲畜遍布四野，没有人看管照料。
于是国落四散，窜伏山谷，畜产布野，无人收视。
As a result, the Rouran tribes fled in all directions, scattering and hiding in the valleys, leaving behind their livestock everywhere with no one to care for them.