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

2???????????

3???????vx

4??????

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

??????????10???????31??????????????? (?????????????????? ??????????????)???????31?????????????,??11??10????????,??????????????

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

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

????????????????????????????????(???????????????????)???,???????????????????????,????,???,?????

?,????,????????????????????????????????,??????????????????????,??????????????????????????????????????,??????????????,?????????????????????,???????????

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

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

???:???