natural sign language
自然手语
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In other words, Saussure denies that there is such a thing in language as a natural sign.
换句话说，Saussure否认，语言中有自然符号这种东西。
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Sign language accords with the intellection habit and cognitive mode of deaf people and they have natural advantages to grasp it.
手语又是最符合聋人思维习惯和认知方式的语言，聋人学习手语具有天然优势。
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