????:1???500???????:???????????

2???????????

3?????????

4???????????

5?51??app???

????1???????????????20???????? (???? ????????????????)???(????“?????”)???????,??«???»(??«?????»)?«???????????»???,????????????????“????????????????????”(??????“????????”)??????,?????,?????,???

?????????????????????«?»???????,“?????????????????”????,????,??

??,?????,???????????,????;???????????,??????????,?????,?????,?????;????????,????????????????????,???????????

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

??????,“??”??:

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

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

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

??3??????,«?????????»????????????,??????????????“??????????????????”???????(???????????)???????????????????????????????????????????????3????????????????

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

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