Another essential requirement is background knowledge ﹘ political, economic, religious, and historical ﹘ especially since the third to the sixth centuries were one of several periods of disorder in Chinese history.
此外，「背景知識」﹘﹘不論是政治的、經濟的、宗教的、或歷史的﹘﹘也是一大課題，尤其魏晉南北朝是中國歷史上幾個大動亂時期之一。