?? ?????????????????????????????????????
????:1???????:?????
2???????app
3??????????
4???????
5?????pxc027
?????????????12?????9????????????(???????????????)?????????????????????????????????????????,????12????????????????9??“????”??
11????????????3????????????????????????????????????????5??????????,????????“?????”?“????”?????
??,5??????????????????????????????????????????????????????????????????????????,???????????,?????,?????????????????????????,11???????????????????????????,?????????5???6%????,?????10%????
??????,?5??1/8,??????????????1/3,??????????,??????????????80%,???????????5????,???,?????????
????,???,??,??????????????????????
“???????????,????????,?????????????????”????,?????????????“????????”,?????????????????????????,???????????????????
??????????????,???????????????????????????????,????????????????????????1???10???,?????????6.5%,??????47%,??????????
?????????,??????????,???,???????????????????????????????????????????????????,??,????????????“??????????”;?????,????????????????????4????????????????????50%?
????,???????????,??;????,???????????????????;????,????,???????????????????????????????????????????????????;?,?,???,????,??? ????????????????:?????