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

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

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

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

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

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

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