???12??19?? (???????? ?? ??)?????19??

?????????????:?,12?18?????????????????????????????????????????,??????????,?????????????????????????

???:?,12???18?????,??????????????????????????????,???(?)

???:????? ??“???????”

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

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

2????????

3?????????

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

5????????

???12??19?? (???????? ?? ??)?????19??

?????????????:?,12?18?????????????????????????????????????????,??????????,?????????????????????????

???:?,12???18?????,??????????????????????????????,???(?)

???:?????