1. The story negated the trade supported by the government. ����������˴���ó���ܵ�������֧�֡�
2. One weak link in the chain can negate many of the advantages that innovation offers. һ�������Ļ��ھ��п��ܷ��ĸ����ܴ����Ĵֺô���
3. Nor can this line of thinking be said to be inconsistent with the human dignity of the child or to negate its right of existence. ��һ˼ά·��Ҳ���ܱ���Ϊ����Ӥ������֮������Υ���ģ�������ȡ������������Ȩ��
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v.
1. be in contradiction with
2. deny the truth of
3. prove negative; show to be false
4. make ineffective by counterbalancing the effect of