????:1????????????:?????????????

2????????

3??????????

4??????????

5?????????

??10?????????15???(???? ????????????????)?????????????????????????,???????????,?????????10????16????“???+???+?????”??

???????????????(???)???

???“???????????????????????+????????????????????+???”??????“???”“??????????”“????-?????????”??????????????????1?????????????,???????????????????????????387??,???????????,???

“???????????????,???‘1???????3????????????????????????9??????????’,??????????,?????,??(??)9?????”??????

??(????)???????? ?????????????? ?

????,??????,???????????????,???????????,????,??,??????????????????????????????????????????12306????“??12306”???? APP??????????????,??????????????,?????

“??,?30??????(???????????)????????????????,30??????????????????,????????????,???????,?????????,????,????”?????

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

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