????:1???200?????:??????????app

2???????

3???????????

4?????

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

2?????21???????????,???????????????,?????????????????????????

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

???????????,???????,????34.1??,???????????3????49%,?51%,??????93.6%,?????????????????39%,??????????13%?????,????????????(???)??????????????????(?????? ??)

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