These cases (4) when the side from the point of view, even more commission bowl, embodies the principles of politeness.

其中例(4)从时方的角度考虑，显得更加委碗，体现了礼貌原则。

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Then in Chapter two, theories about pragmatic principles, especially cooperative principle, the principle of relevance and politeness principle is presented.

接着第二章对有关语用原则，特别是合作原则，关联原则和礼貌原则进行了陈述。

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Politeness principle is one of the important principles in the study of pragmatics.

礼貌原则是语用学研究中的重要原则之一。

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