?? ??????????:500????????
????:1???????????:?????
2???????
3???????
4?????95?
5?600???????
???????????????????????1?????23?? (?????????? ??????????????????)??23??????????????????????,??????1000??????????(????,???????????????????),??,?500??,??????,????
??????????????????,?????????????500??,?????????????????,????????????“??????,??????????????,????????????,????,???”
????????????????????????????????????,????????????????????????????????????,“??????????????,??????”?
????????,??,?????,?????????(???????????????????) ????:???