《旧唐书·列传·卷三十七》
这就是诸侯以下的官吏，不是全由天子任命，朝廷的众官，也不是专于一职。
岂诸侯之臣，不皆命于天子，王朝庶官，亦不专于一职。
This is why the officials below the feudal lords were not all appointed by the emperor, and the court officials were not specialized in one position.