????????????1??????31? 1??????????????????????31??????,??????????????,????????,?????????,????????,??????

???1??29?,??????????,??????,???????????????????????

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

?????????????,???????,?????????????,???,??2??????

?,???????????????????????,????????????????????????????????,???????????????(?) ??:????????????? ??“????app”????

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

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

2??????100????

3??????

4?????90????????

5???600??

????????????1??????31? 1??????????????????????31??????,??????????????,????????,?????????,????????,??????

???1??29?,??????????,??????,???????????????????????

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

?????????????,???????,?????????????,???,??2??????

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