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

2???????

3?????????

4????app???

5?????200?????

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

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

?????????????,????????“?”??,?????????????????????1000?????????????????????????,??,??“??????????????”??????????,???

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

?????????? ????????:?28.6??,???????????700????,?????8500??,????????????????12???(?) ??:???????