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

??????????2????????????????????21????????? (?????????????? ???????)??,???????????????,?300???????????????????????,?????????,??????????????,?????????

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

????,?,??,?????????????,???2??,????????????B??????,??,????????

????,??,?????“??????????”,???,??????

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

“???,?????????,????,????,???????????????????????????????,????????????”???????????,????,?????????????,??????????????????30?????????????50??,???????15??20????

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

“?????24???”????,?????????????,????????????,????2????????3??????????????????,??60????????????????????????????70???,?????

???,???????????10000?????,?“???????????”??,?,???

????????????,??????????????:“???????????????????????24???????????,??????,????????,?????????,???”(??)