?? ??????????????????????
????:1???????:??????????
2???????vx
3????????
4?????????
5???????
?????????????
“????????????????????????????????????????????????,?,???”
???????????G20???,???“???”????????,?????????????,????
“???????????”??????????????????,?????????????:??????,??????????????????,???......?“???????????????????”“???????????????”????????????,???????????????????,???,??????,????????????
???:??????????????????????????
??:?????????
????????????????:??
?????????:?????????????
???:???
???:????????