我覺得應該從DC開始，坐火車到紐約，然後再坐火車到波士頓。從波士頓到大瀑布還是應該坐飛機到水牛城，然後從水牛城坐飛機回到DC。

來源: 過來人2 於 2019-04-08 16:53:54 [舊帖] [給我悄悄話] 本文已被閱讀：次

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