我听说你们举办了网上讨论活动，并向全球中学生征集话题。的翻译：I heard you hold online discussions, and to high school students around the world call for topics. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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I heard you hold online discussions, and to high school students around the world call for topics.

I heard you conducted on the net to discuss the activity, and collected the topic to the global middle-school student.

I have heard that you had organized online discussion activities and to solicit topic global secondary school students.

I heard you hold online discussions, and to high school students around the world call for topics.