When students are criticized for not paying attention to the lesson it doesn't mean they are inattentive.

当学生被批评为不注意听讲时，并不意味着他们真的漫不经心。

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Students who are bored or inattentive or who put little effort to schoolwork are unlikely to benefit from better standards, curriculum, and instruction unless schools, teachers, and parents take steps to address their lack of motivation, the CEP papers conclude.

FORBES: Motivation Matters: 40% Of High School Students Chronically Disengaged From School