?? ??:???????????????,????????“??”
????:1???????:24????????
2?????app???
3????????????
4?????v
5?????
???12??????????20??????????? (?????? ????????? ???)?????????????20???
??????????? ??????????? ??????????????????????????????????????:?????????????????????,???1??????,?29?????????????,???????????,?????????,??????????????????????,????????120????????????????
??:??????????????????????????,???????,??????????????,???????????????????????????????,????,?????????????????????????“?”???????????????????,????????????????
??????????????,??????????????????????,???????????????“???”,????????????????????????????,?????,????????????,??“????????????”,??,??????,?“??????????”?(?)
??????????????:???