??
?????2??????19???????????? (?? ???????????????????????)??????????????19?,?82??????????App(???????????)?
?????????????,?????,?????App????????????????????????,???,?????????“???”??????82?App(??????????????????????)?
????????,“?”?4??App?????,?;“?????????????”?????78??????App??,?????????????1????????????,???,???
?,????????????,????,???????????(??) ?????????:??????????
?????????
???????????????82???????App?????????????