例句 /

A category of variables often used to describe the composition of audiences. Common demographics include age, gender, education, occupation and income.

A category of variables often used to describe the composition of audiences. Common demographics include age, gender, education, occupation and income.

用于描述受众组成的一组变量.常用的人口统计变量包括年龄,性别,受教育程度,职业和收入.