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

2??????????

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

4???????

5??????????

???,????????????,????????????????????????????????????????,???9.88????????,?????,?????????,???????1.77????????,??????????????????,???????,???,???????????????????????????????????,?????????????????????

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

????,???75??????????,??????????????????????????????4000???????,??????“??????????”???????,?????????,????????????????,???????????????????????????????????????????,??????????,???????????,?????????,??????,?????????,??????,??????????

???????:?????,???????,????,???12306???????????????,???,???????????????????????,????????????,?????????????????,????????????(?? ?????????? ???????:???? ???? ??????????????) ?????????????:????