Age demographics: the 18 to 49 demo has had a huge impact on all mass media programming in this country since the 1960s, when the baby boomers were still young.
年龄统计学说： 从18岁到49岁的人， 对我国 自从1960年代起所有大众媒体 的节目安排有一个巨大影响力， 也就是当婴儿潮一代人还年轻时。