10???????11?????????20??,?????????“?”(?????????????????)???????10?????,?????????????????,??????????????????????

???????“??”“???”“??????”“????????”????????,???????????????????????????(???? ??? ???)

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

??“????????”????

?? “????”??????? ??????

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

2??????app

3?????

4???????

5?????

10???????11?????????20??,?????????“?”(?????????????????)???????10?????,?????????????????,??????????????????????

???????“??”“???”“??????”“????????”????????,???????????????????????????(???? ??? ???)

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