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

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

3???????

4???????????

5???????

??1??23???????????????? (?? ??????? ???)???????23??????????????,??,???????????,???????1?????????????500?????,????????????46??????????????????????,?????????,???

????,???8????,?????1010??????????,????????????????120??,??733???????

??????????????? ?????????

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

??????,?????,??,??,????12306???????????????,??12306App,??“???????????????”??“????”??“?”????????(????)

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