????:1???sn??:??????

2?????

3????????????

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

5?????

???????????2??2????? (???????????? ????????)“????????????????,????,??????6???????????,?????????????,?????????????????????????,?????????”2?????????????????????1????????,??,???????????????????????????“????????”????????,????????,?????????????

?????????????????????“?????????????”??????????????? ????????

????????????“??”?,?????????????????????20????????????80?????????????,???????????????«??????»??,??????????????????????????,????????????????????20????70?????,???????,????????

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

??,????????4???????????,?????????????????????????????,??????

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

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

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

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

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

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

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

??????,????,????,???????????????????????,?????,????????????????,?????????????????,?????

??,??????,?????????????????«?????????????»???????????????,??,???????

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

?????????????????:???