【朗報】Amazonが日本で書籍値下げ販売を検討! http://www.watch2chan.com/archives/%e3%80%90%e6%9c%97%e5%a0%b1%e3%80%91amazon%e3%81%8c%e6%97%a5%e6%9c%ac%e3%81%a7%e6%9b%b8%e7%b1%8d%e5%80%a4%e4%b8%8b%e3%81%92%e8%b2%a9%e5%a3%b2%e3%82%92%e6%a4%9c%e8%a8%8e%ef%bc%81.html