????????????31????

???2?14??? (???? ????)?????????14?,????8.5?,????????39.2%,????????????????????????????1993????????????????????,?,?????,?????????????????????????,?????????

?????,????,??“??,????‘???????????????’???????????????????????????????????????????‘?’????????,????50%,????,???????”???

???????????????????????????????????????????????,????????????????????????????????????????????????????????,???????,?,?80???????????

???12???????????,????????????????????,???????

“??????????????????,????????,????????????????????,??????????????”????

??,??????“??”?????????????????????“?????????????”??,??????????????????????????????,?????????,???????????,??(?????)