Teachers are advised to turn on the cameras during incidents in the classroom to tackle"constant low-level disruption", but must give notice before doing so.
老师被建议在课堂上出现麻烦时打开摄像头，以处理“不间断的小打小闹”，但在打开摄像头前必须告知大家。
Teachers are advised to turn on the cameras during incidents in the classroom to tackle "constant low-level disruption", but must give notice before doing so.
老师被建议在课堂上出现麻烦时打开摄像头，以处理“不间断的小打小闹”，但在打开摄像头前必须告知大家。
Teachers are advised to turn on the cameras during incidents in the classroom to tackle "constant low-level disruption", but must give notice before doing so.
老师被建议在课堂上出现麻烦时打开摄像头，以处理“不间断的小打小闹”，但在打开摄像头前必须告知大家。
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