???“?????????” ??????

????:?????????:????92?

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

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

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

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