????:1???????:?????50?????

2????app???

3??????10????

4??????

5??????????

?????????????1?????????3??? (??????????????????????? ????????)1????3?????????????????,???,??,????,???“??????”?

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

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

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

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

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

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

??????,???166???????????????????????????,200????,????(?)

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