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

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??,???????????,??????,???????150??????????????

???????????,????????48???????,??5%???????????,??20%????????

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

??????????????????,??????4???:

??????????????????????8??,??????;

?????48??????????8??,??5%??????;

????24????????48????????,????????10%???????;

???????24????,???????20%???????

????,????????8?????,???????8?????????,???,?????8???,?????5%???????????????

???????????48?????,????5%?????????,?????20%?????????????????

??????? ???:?????,?????????,????????????,??????????????,?????????,???,??,??20%????????????,?????????????,?????????,??????5%??????????????,???????????,????????????????,????????????

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

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