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

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

????,?????????????????,?12????????????

19??

2???????????????????????6??,????????????600????????????????????????????????????,???????????????????19???????????,????????????2???????????15???,???

????????:“????”????? ??????????????

????????????,????????????????“??”??????600???????????????,????1?????,??,???

?????????????,??????????1000???,??100??,????????????????????

??:??+??? ????????????

??????????,???“????????+????”??????????????????2???????????????????5???,????????500??????,?7??????????????,???????????????????

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

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

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

??????????????????,???????????????????????????????????????????,????????,????98%,???2?????3000?????????

????????,?????????????????10???,??????????? ????:??????????

??

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