One person in the group should be prepared to report back to the class on your discussion.

应由其中一名组员准备向全班汇报你们的讨论情况。

《牛津词典》

If you are not prepared, then you will not be able to participate in our class discussion.

要是你没准备的话，你就不能参加课堂讨论。

youdao

You are expected to participate in class discussion throughout the semester.

我们希望你在整个学期参与课堂讨论。

youdao

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