????:1????????:??????????

2???????

3?????????50??

4???????????

5??????

????

“??????????????”??:??“??”?????????“????????”

?????????????????? ?

“?????????,‘?????’????????????4.8????,???12.8????????,????1978??????5.05%?????13.84%,??????2004???85%??70%??????????????,?‘????’???????‘????????????’????”?????,???

??????????????6?????????????????17????30??????,???«??»?30???????????????????????????????“?????‘??????????????’?????? ??”?

??????????????????????????,????????????257??????????,????????????????26.8%;?????????169????????,??????17.6%?“????????????,????????‘???????????????????’?”??

????????,???“??”?,????????????,“????”???????????????,????“????????????????????????”????????;??“????????????????”??,???????60???????????????,????????????,?????????,???????????,???

?????????????,?????????????“???????????,????????????????????????‘??????’??,????????????????????????????????‘?????’???????????????????????????,???????”??????

??6??6??,???????????“???”????“????????”????

?????,???????????,??????????15?????????????????,???????????????,????????????,??????,??????????????“??”?????

“??‘?’????,??,??????????????????,?????????????????????????????????????;????,?????,????????;?????????????????”???(???) ???????:??????