????: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??????

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