试题题干
（） is one of the defining properties of human language, which means there is in general no natural relation between meanings and sounds.
参考答案
正确答案：
试题解析
任意性是人类语言的定义性属性之一，它意味着在意义和声音之间一般没有本质联系。
（） is one of the defining properties of human language, which means there is in general no natural relation between meanings and sounds.
任意性是人类语言的定义性属性之一，它意味着在意义和声音之间一般没有本质联系。