The industry needs to sell papers for different age and demographic groups, he says.
他说,要依据年龄和人口统计来出售报纸。
Blacks, in particular, consistently see more social conflict than do other demographic groups.
尤其是黑人,比起其他人口学群体来,他们一直认为存在更多的社会冲突。
Hulu does not sell advertising on specific shows or networks; rather, it targets demographic groups.
Hulu网不是通过某个特定节目或网络获取广告费,而是通过特定的人群。
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