1. Father had a family of sons who were perpetually quarrelling among themselves. һλ�����м���С���ӣ���ЩС����ʱ�������ڽǡ�
2. Mainstream economics assumes that the economy, the engine of modern civilization, can grow perpetually. ��������ѧ��Ϊ��������Ϊ�ִ��������棬�ܹ���Զ������ȥ��
3. Philosophical doubts exist perpetually, and it is an expression of the existing style and existing state of people. ��ѧ�����ʡ�����������ڵģ������˵����淽ʽ������״����һ�ֱ��֡�
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adv.
1. seemingly uninterrupted
2. everlastingly; for all time