它要推广普及到各方言区的群众中去，以发挥它作为全民通用的交际工具的职能。
It should be spoken by people from different nonstandard language backgrounds, to function as a communicative media for people.
言语角色认知在警察言语交际活动中具有重要意义，是警察履行服务群众、管理社会、打击犯罪职能的基本保证。
The perception of the speech role is quite important in police's social intercourse. It is the basic assurance of serving mass, managing society, attacking crime.
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