2??7???,????????????,???????????

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

????????,??,??????,????,???????????????“?”??,?????????????,???(???????????????????? ???? ????????? ???)

????????:???????????

“????????”????

?? ??????????:???“????”

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

2?????sn????

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

4????????95????

5???????????

2??7???,????????????,???????????

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

????????,??,??????,????,???????????????“?”??,?????????????,???(???????????????????? ???? ????????? ???)

????????:???????????