????:1??????????:??????

2???????

3?????????????

4????????

5???????

?????12?????????????20?? (?? ??????)??20?????????????,???????,??????????????????,??????????“??”,??????

12??????????20??,?????????????????????? ????????? ???????

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

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

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

“?????,?????????”??,???????????????,????“???????????????????”“???????????”“????????”???8??????????????,??????????????????????????????????????????????

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

?,?????????,?????????,??????????,??,???????????????????????????????????????,????????????????????(??????????????)

??????:??