????:1?????vx:??????

2???????

3??????

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

5?????????

“??……??????????……”8????30??,“??????????”??,?????????

?????,?,???????“???”????

???????“????????????”?????????????????????,????????????,?,??205??????“??1???????????????????????????????,????????,????????”???????????

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

?????????“?”?????????????????3?????????????????????????,????????????????????4???,????,???24??????????????????,?????,??????????????????

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

???????????,????????“????+??+?????”???,??????“???????????????(????????????????????????????????????????)???”????,??15%20%??????,??“????????????”?

???,????3.4??????????????????????????????“?????”?“?”????????????????????????????“????”???“????????”,????????,????

?????????????????????•????????????:??????? ?????????????????? ??? ??:???????????????????