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

2?????????

3?????

4???????????

5???????sap??????

12??????11??????,??????,“??? ????”???????«?»?? ??????????? ??? 12??????11?????,???,“? ??????”?????????«??????????????»?? ? ??? 12??????????????11?????,???????????,“??????????? ??????”?????????????????????«?»???????????? ????? ????? 12?11?,????,“????? ??????????”????????«????»???? ? ????? 12?????11???????????,???,“??? ???????????????”????????«?»???? ???? ?????????????? 12?11?,???,“?????? ??????”?????????????«?????»??????????????? ????? ????? ??????:??????