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

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

3???????

4???app????

5????????

????11????????????26?????(?????????????? ?????????? ???)???????????????,???????????,???????????????????????,????????????,?????????????,????????????????????

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

??,?? ???

?????????,????????,??????????????????????????,???,?????“??200????,??????120??????,???????40??????”???????????

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

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

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

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

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

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

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