请遵从老师教导，遵守课堂纪律，不迟到早退。
Please follow school safety rules and guidance. Do not touch any alarm system.
按时上班，不迟到早退，不得擅自离开工作岗位，认真履行岗位职责。
Go to work on time without coming late or leaving early, fulfill earnestly the post duties and never leave working post without permission.
按时上班，不迟到早退，不得擅自离开工作岗位，认真履行岗位职责。
Go to work on time without coming late or leaving early, fulfill earnestly the post duties and never leave working post without permission.
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