?? ?????????????? ????????????
????:1???????????:????
2?????????
3?????
4????????
5??????
????????1???2??????????????? (?? ??)“??? ?”??1????????????????(??????)????????
?????????? ?????????????????????????????????????,????(????)????,??,???????????,?????“?????????????”???????,??????????????????????????????????,??????????,????
????,????+??????,?????,??,????????????????????????????
????????????????????? ????????????????????????????6????????,???,????????????????????????????????,????(??)???????,???????????“?????????????????????”??,??????
???????????????????????????????? ????????????????????????????????????????,??????,???,??,???????????????????,???????????????,??,???????????
????,???(????)??????,??????????,?????????,???“?+?????????”“??+???”“???+??”????,????,?“???”?????????“??????????????????????”?(?????????????????)
??????????????:???????????