??6??????????????14??????????,????????,???,????????,?;?????????????,???????????,??

??,6??12??,?????????????????????????,????2200??????????????,??63?????????????88?,?????????????(?? ??? ??? ??? ??????????)

???:?? ??“??????app??”????

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

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

2????????2021

3?????????

4??????????

5????????????

??6??????????????14??????????,????????,???,????????,?;?????????????,???????????,??

??,6??12??,?????????????????????????,????2200??????????????,??63?????????????88?,?????????????(?? ??? ??? ??? ??????????)

???:??