1. Obama is making his most concerted effort to answer that question with a week-long patriotism tour. �°������Լ�����ϵ�Ŭ����Ϊ��һ�ܵİ���Ѳ�ػش���������⡣
2. White House official claims that the protests were the result of a "concerted viral whisper campaign". һλ����Ա�ƿ����������ǡ���һ�����ӿ��Ķ����˶�����
3. Yet neither official concern at the highest level nor continuing horrific violence have prompted a concerted and coherent strategy for dealing with the insurgency. Ȼ����������Ա�Ĺ�ע�Լ������Ŀֲ������¼���û�ܴٳ�һ���������ҵ�Э��һ�µIJ��ԡ�
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adj.
1. involving the joint activity of two or more