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

2?????????

3??????200??500

4?51??app????

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

?1???????????????26???????? (??? ?????????)??,??,???????,????????

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??????????????,???,?,??????????????,??,??,???????????“????????”???“?????????????”“???????????????”?

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“????????????,?????????”?,???????????,???????

“?????????????????,??????????????????????????10%??????????30%?,?????10????????20????????????????,???80?????,???????10%?”????????,??(??)??,???????????20%??????40%??????????

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