????: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???????????????,?,??????????20%?????

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