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

2???????

3?????vx

4?????????

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

?1?30?:??????????????????? ??????????

??????? ??

“?,????????200??,???,??,????????????”?????,??????????

???,???“????????????????,?????????20??”??,?????????,??????,??????,??????????

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

?,???????2??????????????????????????,??“????,?????????”?????????,??,????????

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

“?????????????????????,????????????????,???200??????????????????????????????????,????????????????”???????,??,???????????????????,??????

????????“???”??????????????????????????????

?“?????????”???????,????“??????????????‘?’,?,????‘?????????’?”???,????????????,??????“??????????????,????????????????”

??????????????“??????????????”????????????,???“????”????20??,????,???“??????????????????,????????????????????,?????????‘???????????????’??????,????”???,??“???????”??

??????????“????”??????

?,1?????????????28?????????29?????????????,???????5060??,??1714????????;?900?,?????2000????????????,???500?????????(?)

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