?????????“???” ??????

????:??9598???:???????

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

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

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

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