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

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

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

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

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