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

2???????

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

4?????????????

5???app??

????????10??8??? (???? ???)?8????????????????????,????????????????????,????????????????????????,???“???”???????????????????????

?????????,??63?????????????????????????????????13.7???,??????46.8%?63.3%,??????????????????????????10??5??????2????????????,???????2.26????????????????,????????????????

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

“????‘?????’?,?????”??,10???1????7????,?????34.8???,???28%,??55.2%;?8.5??,??????????61.6%,???,???5.4????,?????????

???“??????”??,?????“????”???“??????”????????,?,????27.6????,??81.1%?

“??”????,?????????,?????30??????????????????1.35??????,??1928??????“??????”??????????????,??22.85???????(??) ???????????????:????