Metro 利用率很高。也没有高铁那么烧钱。关键是它减少交通阻塞，减少废气污染，对纽约这样的大城市很重要

来源: cowpi 于 2024-05-14 15:47:18 [旧帖] [给我悄悄话] 本文已被阅读：次

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