????:1?????????app:????????

2????????????

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

4??????

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

“????”,????????????“?????????”?

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

?????????“????”

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

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

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

???,??70%???80%,??????????,???????????????:“?????‘220??????’?????????,????????????????,????????,??,??,?????????,??????????,????????????,????????,???????????”

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

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

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

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

??????????????“??????????”??????????

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

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

???“??????????”????????,????????

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

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

????,???????,??????????,?????,??????20??????30?????,?????

“?????,????????????????,??????,???????????????????”????????,?????????,??????,????????“??????,???????????,??2??3?????????????????,?????????????,????????????????????????,??,???”

??,??????????,?????????????????????????????????????“2:1:1”,??????,?????

?????????,????????????“???????????????,???????????????????????,???,???????????????????”????,????,????????????????,????????(???????)(«????»????????????? ????????) ??????????????????:?????