?????????“??????” ???

????:??????qq?:?????

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

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

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

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