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

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

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

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

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