????:1?????200?500:?????????

2???app????????

3???????????

4????????

5?100???4???

???1???????????30??????? (?? ???)??«?»29????

?????????????«?????????????»?????? ????

?????????,?????????1800?????????????,????,??????,????,??

“??,??????????”,??,?????????????«???»???,?????????,??,???????????????,???????

???«?????»????????????????????? ???

????????????????????????,«???»?????????????????«???????????????????»«????????»«??»«???????»«????????»????,??????????????????????????,???????????,??????????,??,????

????????«??????»???????????? ???????

????«?????????»??,?????,?????????????,?????(?????)

?????:???