手机会分散注意力，导致听课效率下降，影响学习成绩。
The phone will be distracted, resulting in decreased efficiency lectures, affecting academic performance.
一位专家表示，在上课时间使用手机会分散学生的注意力。
An expert said mobile phone use was a distraction to students during school hours.
一位专家表示，在上课时间使用手机会分散学生的注意力。
An expert said mobile phone use was a distraction to students during school hours.
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