Stem from an article, say somebody never recites words, only plagiarizing a book, every book has been copied several times by him, so the contents totally are all printed in his brain finally.

• 来源于一篇文章，说某人从不背诵单词，只抄书，每一本书都被他抄了几遍，这样最后全数的内容都印在了他的脑海中。