????: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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