There were no historical records of Homer, and no trustworthy biography of the man exists beyond a few self-referential hints embedded in the texts themselves.
除了作品中包含的一些自我参照的暗示之外，历史上没有关于荷马的记载，也没有该人的可靠传记。
Referential integrity for element relationships
元素关系的引用完整性
Entering data and verifying referential integrity.
