1. Likewise, it's pointless to write data in memory to a file. ͬ���أ�������ͨ���ڴ�д�뵽�ļ�Ҳ��������ġ�
2. However, it is painful and pointless to fixate on a period that cannot be relieved or repaired. Ȼ����������һ�������ѡ���������ʱ���ϣ���ʹ��ģ�Ҳ�Ǻ�������ġ�
3. In my 25 years of environmental campaigning I have seen lots of inspired protests and lots of daft or pointless ones. ����25��Ļ����˶����Ҽ����ܶ��������Ŀ��飬Ҳ�������ܶ����IJ���Ҫ����ж���
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adj.
1. not having a point especially a sharp point
2. serving no useful purpose; having no excuse for being
3. lacking import