è?¥é????·????£°é?3è????¨?????¥???
?????o???aè±?????????°??°??????é?????è???°??¨??|??o???????
è???????a??-??????è?????è°¢??£?1??2????????¤?????????¥??o??ˉ??ˉ???è?3??????
?¥1?2??????3?????oé??é?3?????¨??o???????ooé?????è§??o?????o·?o·é?2??o?o????è°????è?¨??????
????°?é?·è???????????è°¢??£?1???????è??????????o???èμ·?????1???a??????¥??????????????¤??°±??£?o???§????-¢è???o?èˉ¥????????¥?o????????-?????????¥???a??
????ooè?¨????¤??????°èˉ′??????a???????ˉ??§???????-???????è??é??è????????a??
è°¢??£?1??????§?????1?????????a???2??o??????aè|???????????????????????°±?¥????a??
????oo????????????é?′é???????????è¨?é???°????é???¤·???
è°¢??£?1??-??o???????????????′è?3?????¨3??1???é???-¢è????????é???|??3¥??°?????¥???
?????′é????¢?????????a??è??è?????è??è??a?|a?|???è|??|???????a?|a?|??aè|?????????¥????????ˉ??¥??????è°¢??£?1??????????a??
?????′???????????1???è°¢??£?1?????????°è????¥èˉ????è??è?2???????????oè????????
???a?|a?|
é???-¢è?????é??è|?????¥1?????????
?¥1???è§??o??????¨è????o??-??????????¤????
???è?2é??????-????è§|????????????????¤o????????????????????§????·2??????80%??????????????aè|??????????é???-¢è???1???¨??°???????¤?è?a???????????o????????????????????3??ˉ??????????????????
è??è°¢??£?1????????????ˉa??a??
è???¥1?-?????????±?oo?′?è????¥???