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

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

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

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

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