1. Counterproductive, The reality they would not leave much better. ����ԸΥ����ʵ�ܲ�������̫�����õġ�
2. In fact, they can be counterproductive, because the code may change and the programmer may neglect to update the comment. ��ʵ�ϣ������ʵ��䷴����Ϊ����Ҳ���仯������Ա���ܺ����˸���ע�͡�
3. The problem with the anti-littering campaign then is that its descriptive norm is counterproductive to its injunctive norm. �������������˶������������������Թ淶��������ָ���й淶���෴�ġ�
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adj.
1. tending to hinder the achievement of a goal