????:1???????92??95:???????

2???????

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

4???app??

5?????????

??6??????????????????15??? (????????????? ????)?????????????????????14???,????????6???????12?,?????????????????????1000??,??,?20?????

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

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

?????,????????????????,?“?????”,??????????????,??????“???”?????(??) ???????????:????????????????