????:1????????:????

2???????????

3?????????

4???????

5??????????

?????????:???????????????12???????,?????????????????(12??1?????????????)?????????????????,?,????????????????????

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?????????????????«??????????»12????1??,«????????????»?????????????????????,???????????????????;?“????????”????

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12???1????????????,??????«????»????«????»?????????????????????????????,???“??”“?”??????????????????????????????????????????????????:?????????;????;??????????????????????,??

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??12???????????????????????????1??,«????»??????????,?0.5?????????????????????????????,??,?????1.5%,????1%,????????????????????0.5%(??????)?

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???????????????????????????????????????????«????????????»,???????12?????????1???????????,?????,??20%?????

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