???????????“???????????”??,???

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

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

10????????????????8??????????,???????????(? ????)????????,???????????10????11????????????????,??????????30.6%-39%?????????????????????,???????????????????,????????????????

??????,??200?????????(?????????????),?,????????????:??????=(???????×????)×(1+????)÷(1-??)?

?????????????,?????????,???30.6%???????????39%????????????????????????38.1%,???????34%?????39%???

?????????1????,???8?29?????????????????,???,????8??????,????????????????

?????????????,??1-8?????????,?13.4??????????????,?????????????????????21.2%,????????????????????8?????????,??????21.8%,??

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

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

WBO???,??????????????,?????????????????????????,?,???????,??????,?????????;????????????????,??????????????????????????????,?????? ??????:???