Face can be divided into two kinds: positive face and negative face.

“面子”可分为“积极面子”和“消极面子”。

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In specific contexts, tag questions act as the realization of politeness strategies to mitigate face-threatening ACTS and attend the hearers' positive face or negative face.

在特定语境下，附加疑问句作为礼貌策略的一种实现形式，减轻面子威胁行为并且照顾到听话人的积极或消极面子。

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