《晋书·志·第十章》
根据礼法，虞祭之后设牌位，现在还没安葬，没有牌位，所以用重来代替。
礼，既虞而作主，今未葬，未有主，故以重当之。
According to the ritual, spirit tablets should be set up after the offering of a funeral offering, but without a funeral, there is no spirit tablet, so "Zhong" is used instead.