This thesis summarizes the content types of readers 'feedbacks, and writes a variety of feedback channels.

本文总结了读者反馈内容的种类，梳理了各种反馈渠道。

youdao

This thesis summarizes the content types of readers 'feedbacks, and writes a variety of feedback channels.

本文总结了读者反馈内容的种类，梳理了各种反馈渠道。

youdao