2. For all its harshness and irrationality, it is the only world we've got. �������Ͽ���ֲ����������վ������Ǿ��е�Ψһ�����硣
3. The transition from the terminal's warm snugness to the harshness of the night outside was startling. ����ů���ʵĻ�����¥��������ķ�ѩ֮ҹ�����Ǵ�Ŀ���ĵ�ת�䡣
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n.
1. the roughness of a substance that causes abrasions
2. the quality of being unpleasant (harsh or rough or grating) to the senses
3. the quality of being cruel and causing tension or annoyance
4. excessive sternness
