�??��pp

????社ä?å¿?????å±?ï¼???æ´»è??å¥???å¾?è¶??¥è?å¿??人们æ¸?æ¸?è§?å¾???·±???¶é?´è??¥è?ä¸?å¤??¨ä???????常é???????人群å¾???å¾?????è§???æ¯??¥ä»»?¡ç???¶é?´è?ç¨?ï¼??£ä?å¾???äº?é¡?pp??¸ªå¥½ç????¨è??æ¯??¥å???äº?é¡?ppå¤?å¿?????è½?»¶ä¸?è½½ï?å¸??©æ?¨å?©ç?¨å¥½è¿?äº?å¾???äº?é¡?ppè§?????·±???¶é?´ä?项ï????¨æ???ºä????¶é???°é???便æ?·å?°ç?????·±??å¾???äº?项å?????ºå?å¿???????