???????????!??????25%????

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

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

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

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

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