美國鐵路運輸的確是太落後了，但是又沒有動機搞現代化，飛機及公路把需求都占盡了。

來源: LakeTree 於 2017-12-18 15:23:15 [舊帖] [給我悄悄話] 本文已被閱讀：次

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