辨å«
ç«èæ¹æ³ï¼ç®åç»ä½ 说ä¸ä¸ªã
1ï¼ç¨ææ¸ï¼æ¸å°åªéæ硬åï¼é£å°±æ¯ç«èæ çã
2ï¼çç«åªèº«ä¸åªé
è±æ¯åï¼å¦æè±æ¯ï¼é£å°±æ¯ç«èï¼èä¸ä¸è¬æ¯æ¯è¾ä¸¥éäºã
3ï¼ç¨ç´«å¤çº¿ç
§ï¼å¦ææç«èï¼å°±ä¼åé¢è²ã