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

2???????

3???????

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

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

??:????75?,“???????”“75?????”“????”???????????????????????????????????????????????????????????,«????????????»10????2??????«????»?

????????????????????????????????????????????,?????“???????????”???????????????????????????,???,??37%,???????????55%?

10?????????1????????,???32????????????????????????«????»,??75??????????????????????????????,????8??50?????????,???

???????????????,??????????????????????,????6?????,?????????????????????????????????????,?????????“???????”,????“?????? ?”??,??????????,??????????75??????,????,????40%? ???:????????