negotiability and adaptability

Verschueren (1999) points out that language has three properties: variability, negotiability and adaptability.

指出语言具有三种特性：可变性、协商性和顺应性。

The reason why people are able to make proper linguistic choices when using language lies in variability, negotiability and adaptability of language itself.

语言本身具有变异性、流通性和顺应性，这些特性可以让人们可以做出恰当的语言选择。

The three properties of language, i. e. variability, negotiability and adaptability, can explain and help to understand principles and strategies underlying creative treason.

语言的三个特性，即变异性、商讨性和顺应性，能够用以解释并有助于理解创造性叛逆中体现的原则和策略。