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$query = "INSERT INTO lesson (id, course_id, live, replay, title, subtitle , date , duration , creator, tag, summary, status, cover, teacher, attachment , lang , speech_lang , create_time , modify_time , receive_time )
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VALUES (? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? , ? )";
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