????:1???app????????:???????????

2??????????????

3???????

4???????

5????????

????2??4??????????(? ?????)2???????????4???,???????,????????,??????“??????????”??,??????????

????????????,???????????,??,???????,?????“???”,????????????????????????;????……“??????,??,???”?????

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

????????

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

?????????????????,??????????,???????????????????????????????????……?????????,?????????????,??,?????????????

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

“???,??”“?????????????,???????!”“??????,???,???????……”????,????????,?????,??????????,????????????????????????,?????????,????????????(?)

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