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

2???????

3??????????????

4???????app

5???????????

???2?????????????6?? (????????????)????6?,??????????,??????????????4.36????,?????????5600?????????????????,???“???????”???

??????,??,??????????,??????????,????????????????,??????,???

??????????????,????????????????,?????????????????3%???????????,????????????????????????????????????????

?????????,?????????????,?????????,????????????????????????,??????????????,????????,?1000???19.4%?(???) ??????:?????????????