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

2?????VX

3??????????

4?????app

5?????9598????

?????????,??12306????????“??”,?????????????????,??????!

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

????????????,??,??????,????,12306??,?,???????????????????????????,??????

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

??????????????,????????????????????????????????,??????????3????????,????????????????????????????1???5??????“??+??”????????,????????????????,?????????,??????9???????????????????,??,???????,????????

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

??,?????????????????24?????????????,???????????,5???,????,??????,?????????????????

???,??????!

(?? ???? ?? ??????????? ??????????????????????) ???????????:????????????????