在日本地鐵迷路後按下求助紐會發生什麼事呢？

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[img]http://3.bp.blogspot.com/-wNwOfkCldxs/UAeIAmYIBrI/AAAAAAAAGEE/o_oOaG4d2L8/s1600/Buying+A+Train+Ticket+In+Japan+3.JPG[/img]