In the method, the general lack of data, sample collection and user surveys, the lack of standardized methods of use of communication studies.

在方法上，普遍缺乏数据、样本收集和用户调查，缺乏规范传播学研究方法的运用。

youdao

In the method, the general lack of data, sample collection and user surveys, the lack of standardized methods of use of communication studies.

在方法上，普遍缺乏数据、样本收集和用户调查，缺乏规范传播学研究方法的运用。

youdao