????:1???50???????:??????

2?????app

3??????????

4???????

5???????????

?????6??????22?????????? ??????????????:???????????????,???

?????????? ????????

“?????500??????????,???????????,??,????‘????????’???”?????????????????,?,???

???????10???????,????????,??????,????,????????,?????????????

??????????????????

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

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

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

?????????????

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

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

??????????????“?????????????????????”???????:“????????????????????????????,?????,?????????????????????????????,????????????‘??’,??,???????????????”

????????????

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

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

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

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