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。
2
Critics complain that Obama's speeches are too self-referential.
批评者抱怨说奥巴马的讲话太过于自恋。
3
As with other PCRE implementations, you can refer to a subpattern match from within the replacement, allowing an operation to be self-referential.