一百年也更新换代不了一回的东西，还是运营成本更重要吧？人口密度极高的地方，高铁能赚钱

来源: blwinter 于 2018-07-01 20:47:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.