They had a lively discussion of the question.

他们对这个问题进行了热烈的讨论。

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We had a lively discussion about the question.

我们对这个问题进行了热烈的讨论。

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After that they gave our teachers very professional reviews and guidance, and had a lively discussion about "how to improve classroom efficiency."

课后，专家对课做了点评和专业的指导，并与老师们一起就“如何提高课堂效率”进行了热烈探讨。

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The panelists had a lively discussion about best practices for choosing business partners.

FORBES: Entrepreneurs On Business Partnerships: Work With Someone You Know