The mass media reflect certain cultural values and assumptions precisely because mass media outlets are large corporations supported by advertising and constrained by governmental and internal regulation and public pressure 大众媒体准确地折射出特定的文化价值观，因为，大众媒体实际上是广告支持下的集团利益的喉舌，并且要受到政府的监管，社会道德准则的约束和公众的监督压力。
