此外，即使在同一地区，具有相同含义的不同词语可以相互替换。
In addition, even within the same locale, different words with the same meaning can be used alternatively.
这个秘密可能采用代码的形式，交换的双方使用经过商定的内容替换词语或操作。
The secret might take the form of a code, in which the parties to the exchange have an agreed-upon set of substitutions for phrases or actions.
如果在写的某篇文章中需要反复输入同样的词语时，对待这样的词语，我们则可使用替换的方法加快输入效率。
If in writing an article need to input the same words over and over again, with such words, we can use substitution method to speed up the input efficiency.
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