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

????:??????????:??app??

?????????????2????????????21???? (???????????????? ??? ???)“?????,??????????‘??’???”???,?????“?????????????”??,???????????

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

???????????????:????????????:???????,??????:???

????????????:?????????“?”

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

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

???????????,??,????,??????????????????,????,??;????????,?????????????????????

?????????,??,????????????,????????????800?????????????????????????,???2000???3000?????,??????

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

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

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

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

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

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

??????,??,????????;??,??????????(?????)

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