Listening to what the teacher says in class means less work later what the teacher says.

听什么，老师说，在课堂上自然少了后来的工作是什么，老师说。

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Seeing how words are used (and how sentences are structured) with your own eyes helps you commit the information to memory better than by listening to a teacher discuss the points in class.

用你自己的双眼去看看怎么使用词汇（以及怎么组织句子），可以令你把这些信息牢牢记住，远胜听老师在课堂上讲解这些要点。

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Later, after QiQi goes to bed, the parents stay online to see what the teacher says about the girl's progress in class, sometimes listening to recordings of her class sessions.

琪琪随后上床睡觉。她的父母还在网上看老师对女儿的学习进步是怎么说的，有时他们也会听听琪琪课堂上的录音。

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"You know five, six years ago, with cell phones, we were simply worried about conversations going on when kids should be listening in class, phones ringing and disturbing the teacher while they were trying to teach, but we weren't worried about pictures, we weren't worried about text messages, " he says.

NPR: Text Privacy Issue Heats Up at Colorado School