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

2?????????

3???????app

4??????????

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

??????????????????2???22?? ?????????????????,??????????21??????,??????,?,??????????????

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

“??????”?????????????????

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

????,????????????????????????,???,????????????

??????,????

???????????,?????????iPhone????????????????????????,????????????,??,???????,????

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