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

2???????

3???????????

4????????????

5???????

??????????8?????????????19?(??????????)????????????????«????????????»?????,????11???26????????30??????????????18???,???????100????,?500?????????,???

??,?????????????????30%??????,?????????????????500??60%,?,???????????????????

???????????????,?????60??,????

???:???????????????,?????????????????????????,????????????100???????????

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