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

2???????

3?????????

4?????????

5???????

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

“???????”????

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

??????????????? ?

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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