Internet marketing have advantages such as quick response, lower cost, multimedia method and so on.

网络市场调研具有快速、低成本、多媒体等优点，也有样本代表性差、问卷反馈不确定等缺点。

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Internet marketing have advantages such as quick response, lower cost, multimedia method and so on.

网络市场调研具有快速、低成本、多媒体等优点，也有样本代表性差、问卷反馈不确定等缺点。

youdao