1. 赘简就是后世书藉中护封的来源。
It is covered by Jane latterword in the source of the book jacket.
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2. 有时在策的开头，还编加两根无字的空白简，以保护正文，称为赘简。
Sometimes at the beginning of the zellstofftechnik, as well as knitting plus two root without words, blank Jane, to protect the body to be known as covered by Jane.