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

2??????

3?????????

4?????vx

5?????

??2??12??(?????? ?????????????)12??,??“???”:??“?”????;??????“??”????????????????????……

????????(??)

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

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

????,?12???12??,“???????????????”?????????????“??”????“??”??????????????????“??”,????????????????,???????????????“??????”???,?????????????“??????”??????????,???????“??”?????????????????“??”,?????????????????

???(?????????)

????????????,???“??????”??;?????????????????3?,“????????????”???(??)

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