你可以将秘密文字信息隐藏在MP3或者图片格式文档下，于是你就可以瞒天过海了。
You tuck your secret away in an unexpected place, like an MP3 or a photo file, to conceal the fact you even shared any information at all.
这本书里全是文字游戏，秘密很快就守不住了。
Filled with word games, this is a book that won't stay secret for long.
只要把它想成是一种超越文字的语言方式，用以传达一种秘密的传授。
Just think of it as a verbal way to carry on a secret transmission that is beyond words.
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