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

2?????????

3???????

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

5????????

??2???????????????????????????????????????19??(?)????????????,?2??18???????????,???????????????????,???25%????,????????4?????????2??????????????

??,????,????,??????,???10%????????,???????,???????????,????????????????????????????25%??

  ???????

??,???????????18?,4???????25%????????,?????

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

?,?????,?????19????(??????????????????)

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