A code USES symbols to replace words, phrases, or sentences. To read the message of a real code, you must have a code book.

一个密码用符号来代替单词，短语或者句子。想要解读一个真正的密码信息，你必须有一个密码本。

youdao

I have just been reading, in this careful book of a most intelligent & learned man, a number of flat conventional words & sentences.

我一直都在阅读这本非常睿智博学的人的谨慎之作中许多平实而传统的词语和句子。

youdao