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

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

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

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

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

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

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