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

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

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

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

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