????:1?????????:?????150??

2?????????

3?????app

4??????????

5???3?400????

??????2???????????????13????????????? (?????????????????? ???????????????)???????13??,???????????????????????,???????????

??,????????,??????????10%????????,??????????????2000????(???????????)(????,??????????)??????????1????????,??10????????????????;??1?????????,????10????????,?????10????,??????????????????100?????????????????????????????,???3??????,??1000?????????

?,??,???????????,?????????????????????????????????????????,??;?????3???,?????????????50%??;????,????

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