1. As a prelude to these contestable claims, Mr Dawkins examines the interesting question of why religion is so widespread. ��Ϊ��Щ������֮�۵���̵棬���������Ϊ���ڽ̵��Թ㷺��������һ����Ȥ�����⡣
2. Everything was contestable, whether it was the cause of climate change or the fact of climate change, the size of the deficit or the culprits to blame for the deficit. �������鶼�ǿ����������۵ģ���������������仯��ԭ��������仯�����ʵ�����ֵĽ������������ɳ��ֵ�ԭ��
3. Contestable market: is a market in which firms can enter and leave so easily that firms in the market face competition from potential entrants��firms play a sequential entry game. �ɾ������г�����һ����ҵ��Ӫ���н�����Ƴ����ɵ�ʱ��������г��ϵ���ҵ����DZ�ڽ����ߵľ�����