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

2???100??

3?????200??500????

4??????

5?????app

??????:???75?????,??“??????”??????????????,???????75???????????

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

?????????????,????????,??????????????????10??????,??????????????30???,????????????“????????????????????”????160????????,??“???????????”????????????1.02??,?????50%??10???,??

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

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