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