????:1????????:????kb??

2??????????

3?????

4?????app

5?????v???

??????????1???4??(? ???)“???????”????2?28????????????,????,??????????,???,????

“?????????????”????

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

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

??????? ??

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

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

?????,??????????????????,??;???????????????????????????,???,?????????????????????(????????????????)

????:?????