如果时间允许，我们将展开全班讨论。
Time permitting, we will then open up the class to general discussion.
让全班讨论一部小说中的各种人物或许是可取的。
It might be desirable to start the class discussing the different characters in a novel.
例如，施莱克尔曾观摩了一堂数学课，教师抛出了一道复杂的问题，让全班讨论最好解题方法。
For example, in one math class visited by Schleicher, the teacher threw out a complex problem that provoked classroom discussion as to how to best arrive at a possible solution.
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