?????????2??????22??????? ???????????,?????????21?,??????,???“??????????????????????????????”????????????????????????????????,?????,?????????“???????????”?

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

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

??????,???,2????????????????20????????????????????“??????”?

????,?????????????????????50%,???????,????????????????

??????????,“??”

????,???????????????,???????“?”?

“???????????????????? ?????,”????????????????21???????????“???????????????”

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

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

???:???

??

??:???????????,??????????,??????????????