Politeness has degrees which may be determined by the politeness scales like cost-benefit scale, indirectness scale, optionality scale, social distance scale and authority scale .

礼貌具有级别性，判定礼貌的级别可以依据五个礼貌层级即损益层级、间接层级、选择层级、社会距离层级和权势层级。

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Politeness has degrees which may be determined by the politeness scales like cost-benefit scale, indirectness scale, optionality scale, social distance scale and authority scale .

礼貌具有级别性，判定礼貌的级别可以依据五个礼貌层级即损益层级、间接层级、选择层级、社会距离层级和权势层级。

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