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

2?????

3?????????app

4????????

5??????????????

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

??,???????????????????????????????????10?????“???”????,?????????????????????,????????

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

???:???????

?????????:??? ?????(???????) ????(??????)

???

?????

??????????????????

????

????????????:????????