??
??????2?????????19?????(????????????)????,????2???18???????????,???,?????????????25%?,??4????2?????
????????????????,?,?????????????,?????,???????????????????????????????????????10%?,???????????????????????????????,???,????????????????????????????25%???
???,??18?,4??????????????????25%????????,??
????,??,???????“??????”???“????”,????
????????,???,???19??????(??)
?????????:???????????????????
????????????????!????25%???????????????????