??
???????????????2?4???????????????????????(?)2???4????????????????,?,?,??,??“?????????”?
2????4??????????,????? ????? ????,??????,???????????????
????????????????? ???????? ??????,?????????????????????,???
?? ?????? ??????,??,??????????????,?????,??“?”???????,?,?????????“????????????????”???????(?????????)
???:?????????????
?????(?????)????? ????????“?????”?????????????