???“?????????” ??????

????:????:???????

?????????????2??18??????????? (????? ??????????????????)???????18?????,???????????,?“????????”,??????????,?“????????????”???,???,??

????????“??????????”?????????????????????,??????????????????,????????????????,????????????50??(?????????????????????)??,??????500???????,????????????1-3???,??0.3%-0.5%/??????,???????????????????????,???,??,??,????

??,“?”???????????????????,?????????????????,??,?20???(?????)?????????????0.3%/???,20??0.5%/???????????????????????????????????????????????

???????????????,??????????????“???????????”????????20????????(????????)????????????,??????20???????????,????????????????,????????????????????????????????????????????????????????????????????????(???) ??:???