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

2???????

3?????

4?????

5??????????

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19????

2???6????????,???????????600????????????????????,???????????19?????????????,??2????????????15????????,???????

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?????????????,?“??”????????600????????????????????,???????1??,????????????,????????

????,??1000????,????100???,????????????????????

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???,????“????+???????????”???2???5?????????????????,???????????500???,????????????7??????????????,??????????

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?????,??????????????????????????????,?????,?????????????98%,????2??????????????????????????????????3000?????????

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