??
??2?????????????8??? ?????????:??7??,???????????????,????“????????”??????????????????
??????«???????????????»7????????????,???????,???,????
??????,????,???????20%?(???????50%???????????????????????????)????????????,????,????????????????
?,???“?????”,???????“??????????????????”???????,“????????????????????,?????”?
?????7????,???,?????????14???????????????????16?????????(????) ?????????????????:?????
?????????
????????????????????????????????????