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

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

  ???

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

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

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

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

??

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