在言语交际中，面子的保持取决于双方策略的正确选择，交际双方的面子利益是互相依存的。
In speech communication, keeping face is subject to the proper choice of both parties in communication.
它具有非线性、语言保持个体差异、互相依赖性与质变等四个显著特征。
It has four conspicuous features: non-linear, maintaining individual difference, interdependence and qualitative change.
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