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

2????????

3?????????

4?????????

5??????????

?????????????????????9?????????20?? (??? ??)“??????????????????????????”???????“????????”,??“?????????????????????????????”?????20???,??8?????,?????452.3???????????????,??22.2%?

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

?????,?????????????????8???,??????????????????102.9???????

??“???”???????,??WIFI?????,??????????,???8????????????????,??8.1???,???24.2%?

?(????????)????????,??1000???????,???????,????????????????????????,????8????????,????????????4.56???????

???,??,??“????”??????????,?????????????????,???????????????????(??) ????????????:???