?? (???????????)???:????? ???
????:1??????????:??????vx
2??????????
3?????????
4??????????
5??????
??8?????????????14????????? (????)??,??????,????????????,??????????????????????,????,?????????????????????
???,?????????????,??????????????,????,??????,????????????,????
“????????200?????????????,???????????7000????,??700?????????????????,???????????????,???????,????,??????200???????”????
????????????????,?????????????????????,????????????,?????,???????????????????????????????“??????????????????????????????”????,??????????200????????????????
???????????,????????,????????????????,????????????????,??????,?????
??????,???????,??????????????????????,????????????????????
“??,??????????,????????,???????????????????,????????,??200???????”????,???????,??????
?????????,??????,?????????????????????????????????,????,???????,????,??????
????????????,?,???????????????????“?????,????????????????????????????????????,???????????,???”????,????????????“??????????????+???+?????”????????????????
?????????,???????????“??”???????????????,???????????“????????”,??????????“??????????”,??“???????????”?
“????,?????????????????,????????????????????????,???????????‘?????????’???”????????????????????????(??????)
???????????:?????????????