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????:1?????????:????95?
2?????200??vx????
3????????
4???????
5????????????
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??6???????????20? (??????? ???? ????????)20??,???????????????????,????????
?(????????,????????????????????????????),??????????????????????????????1???????????3????????????????????????,?????,???????,???????????????95%??,??????18????
18??,?????,??,??24????????????????????????????????80??,??1???????????????,?????20?????????????,???????????????12??????????
“??,????5%???,????20%30%?”???,????????????????,??????
?????????????????,??????????????????,????,????????????????????????????????
“?????,?????????????????????????????????????????”????????????????,????????????????,?????,??????????????
“???????????????????????????,?????????????????????????????100???????????????”?????????,“??????”(???)
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