Outline the benefits of using photos and illustrations in the printed media.

请简要概述一下在印刷媒体上使用照片和插图的好处。

Though sometimes disguised, the messages are everywhere we look: on TV, in movies on printed media and road signs, in stores, and on busses, trains and subways.

尽管有时经过伪装，但这些信息无处不在：电视、电影、印刷媒体和路标、商店、公共汽车、火车和地铁。