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

2???app????

3????????

4??????????

5????????

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

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

????????????????????,???????????????????????,??,??????20??????????????????????,??????????????????15??????????????????,???????????????50?????

????????????????????,????????????????“??????”,??800???????

??,????????????100??,???????“??????????????????????”????1000??,???2025?????3600???

???????????????????????,??,????????????,??????????????“?????????”,?150??,?????????????“?????????????”????????,??,??8600?????????,????6%??,????,????8%?

??,???????????????????8500??????????????????,???????????????????,??????????????????????,???1500????2000??????????????,??500?????????,???????????

?????????:???