?? ?????????????
????:1?????:????????
2??????
3???app??
4???????????
5???????
??????????10????6?????????????? (?? ??)???????????6???,???????400?????????????????
??????(?????????????)???(????????????????????????)???????????????(?????????????????????)??,?????????????4??(???)????18????(?????????????????)????????????????????
??????????????????????6??? (??????????)???????????,??????,???,?????????6000?????
????????,???????????????,“??????????,??,??”
??????????????????,??,????????????????????????????????,???????????,???????????????,????
“????,??????????????,????????????????????,????????????????????????????,??,??????”????
?????????????,???????????????????????????????????(??????????)
??????:???