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

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

?????

??????????????????????????????? ?????????????????????????????????? ???????

?? ?? ??? ??? ?? ??? ???????????? ???

??? ??????????????:???? ??“????v”

?? ???????:?????????? ???“?????”

????:1?????v:??????

2????????

3????????

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

5???????qq?

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

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

?????

??????????????????????????????? ?????????????????????????????????? ???????

?? ?? ??? ??? ?? ??? ???????????? ???

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