在除人类之外的生物中，这种方式最接近符号语言。
It is the closest approach to symbolic language of any creature apart from humans.
这除的仅仅是一个数，我并没有，捉弄你们，我们不知道，除以微分符号的意义，但我们知道除以一个数的意义。
Here I am just dividing Numbers so I am not actually playing any tricks on you. I mean we don't really know what it means to divide differentials, but dividing Numbers is something we know.
人们在交际过程中，除使用语言符号外，还使用非语言的符号。
In the process of communication, people also use nonverbal symbols except verbal symbols.
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