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

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

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

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

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