?? ??????????????????5???,??3800??
????:1????????:??????500?4???
2??????????
3?????????
4???????????
5?????v
????6?????20??? ???20?????????????“????”?????????????????????????????????????,???5????????????????,?????????????????3800????????????????,???????????????????????2.2??????????????????????????12????
????:??????????????«???»?????????????????????????“?????????????”?????????????????????
????,??,??????????,??,?????????????,??????????
??????????????5????,?????????????????????????3800?,?????????????????????2.2????????????????????12????????????????????,???????????“???”??????????,??,???????????????????,????????????????????????????????????,?????????????????????30?????10?????????????????,??????????????,???
?????,???????????????,??;????????,?????????????????;?????????????????,??,?????????????? ??:????