它不仅锻炼口语，而且锤炼思想，要求演讲者广泛阅读并且用批判的眼光看待问题。

It involves not only speaking, but also a thinking mind, which requires the speaker to read a lot and think critically.

youdao

它不仅锻炼口语，而且锤炼思想，要求演讲者广泛阅读并且用批判的眼光看待问题。

It involves not only speaking, but also a thinking mind, which requires the speaker to read a lot and think critically.

youdao