??????????????????

????1?20? (?????? ????????)????20?????????,???,??????

?«??????????????????????????????????????????????(????????????????????)?????»,???????????????????????????????(???)???3??????????????,????6000???,??15%????,????1???????,????500??

20?,???????????????????????“??,??????3999?,??500??,???????????480????,??????????980??,???‘????????’?”??????????

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