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

2???500???????

3???????

4???app????

5????????

?????????????1??????????3????? (????????? ???? ??)?????????????????3???????

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

??????15????,????????????????????????????????

????????????????10????????????,????????10??????“??”??????,????????,?“??????”????

???,?????6.2????????????????????,????,?????????550?????,??

??,???,????????????????????,???170???????????,?????????????????????

??,????,?????????????????????????????????????????,??????????????160????,??5????????????????????,????6????,?10????????????????,???????20%?(???????????????????????) ???????????????:?????