?? ??:???“??”??,?????????????
????:1?????600:????
2???????sn
3???????app??
4??????????????
5???????????
??11??12?? (?? ????????)???12?,????“????????”??,???
????????????,????????????????????????????????????????«??»(??????«???????????????????????????»),???,???«???????»???
??????????????????????“??”?,«??»????????????????,??????;?????????????,??30????????,??10????????????
«??»?,??,?????????????????;??????????????????????????,???
«??»???????????????????“??”??????????????????,????????????????????????????????????????????????????????????«????????????»??,??,???????????????;???????,??10???????????????,????10???
???????????,«??»????,????????2????
«????»??????????????????????????“????????”?????????????????????????????????????(??) ?????????????:???