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

2?????vx

3?????

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

5???app????

11??????????????????????????22???????,????????????????????,??????????????

????????,??;??,???????;??????????????????????,??????????????????????????????????;??????????;???,??????????,???;????????????????????????????????,????????????«???»;???????????,????“??”“???????????????”??,???????????“????”;?????????????????,????????

???????????,???56????????????,??????(???? ?? ???????)

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