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

2?500???4??????

3???????

4???????

5????????

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

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

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

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

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

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