?? ?????????????????????????
????:1???????:??????
2???????
3????????????
4???????????
5????????????
???????12???????????????????????????????????????18????????????????? ?????????????18?,??
12??????18??,????????????????????????????(?)?(??)????????? ?????????,??????,??????????,?????????“??????????”,?????????“??????”?,????,????,???????????????,?????????,???????????
??????????????????,??????????,????????????,??“??”??????????????“?????????????????????”,??????????????,?,???,??(??????????)
????:?????