?????1615??????????????? ??6%

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

??????8???????????19????????? (????????????????????? ??????)??????????????????????????????????????????????19?,???????50????????????????,??1615??,???????????????6%?

??????,??2.05??????????60????,????????????????????????????????????????????????????????????,???????????

??????1500?????,???1000????????????,??1615?????,???6%?????????,???????,???????????????????????

?????????????????????,???????“?????”,????????

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