事故不斷是肯定的,降速也會有事故,停運就沒事故了. 汽車,飛機,電動車都會有事故,這是利弊權衡的問題

來源: 山中農夫於 2018-02-19 16:57:14 [舊帖] [給我悄悄話] 本文已被閱讀：次

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