波士顿到DC已经有美铁了，只要提高运行速度就行了。东岸冬天遇到暴风雪公路很难开，只有铁路能照常运作

来源: 天青水蓝于 2025-12-06 13:11:03 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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