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

2???????????

3?????500??????

4??????????

5?????????????

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?,??,????????,?????,????????,????

????????????,????,???????????,??????,????????????????????????????????

???????????????????,????????,?????????????????????,????????????????????????????????????????

???? ?????????????:?????,????????????2000????,?????????????,???

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?:??????,?????5????????3000???????????????,????,???????????????????4000???5000?????

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