随着大众媒体逐渐走进市场,大众媒体应尽快完成从宣传角色到社会角色的转变,为社会各阶层提供公共话语平台。环境变化与角色转换大众传媒的组织与运作离不开社会环境,社会环境的变化必将推动大众传媒的变化,从而使大众传媒不断适应日益变化的社 As the mass media gradually enters the market, the mass media should complete the transition from the publicity role to the social role as soon as possible, and provide a public discourse platform for all sectors of society. Environmental Change and Role Transformation The mass media can not be separated from the social environment through the organization and operation of the media. Changes in the social environment will surely promote changes in the mass media so that the mass media will constantly adapt to the ever-changing society