a group of people 为什么用of 固定用法么 .

x��)�KTH/�/-P�OS(H�/�IUx�cד� Ovv<��(�t����f
��6O *��$铣M��Ά|�5,"��� 6X�ٌ�/�7>���bኗ��/��>��1�ل�/[{u��n{�����)O�5%*$C�.IM�l��=۞��"���:���
�h�yv GB��