?????? ???????????????:???!
????????2???????22?????????? ??????,????21??????????????????????????????,??,??????????????“????????”?????????????????????????????????????,???????,?“??????????”?
??????,?????“???????????????”,??????????????????,?????????
??????????,????????????????????,2?????20???????“????”?
?????,???????????????50%,???????,??????????
?,“???????”
?,???????,????“????????????????”?
“????????????? ?????????,”?????????????21?????“?????????????????????”
???????????????,?????????????????????“????????????”??????????????????????????????????,????,??????“???????????”?
????????????????,??,???????????,????????????
????:??????????????