1. to exacerbate relations between employers and workers ʹ�����빤��֮���ϵ��
2. Utter waste, together with inefficient use of water reserves exacerbate the crisis. �˷Ѽ�ˮ��Դ�ķ���Ч���ø��ӼӾ���ˮΣ����
3. Some performance appraisal systems may then exacerbate the situation, for instance, by forcing employees or groups to be ranked. һЩҵ������ϵͳ�п���ʹ���������ǿ���Եĸ�Ա������������