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

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

  ????????

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

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

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

?????:????????????????????

??

??:???????????,??????????,??????????????