{"version":"1.0","type":"link","title":"人生をシンプルにする　数学的思考　「速さ」よりも、やることを「少なく」。 (三笠書房　電子書籍)","provider_name":"JellyFarmの買い物百貨","provider_url":"https://jellyfarm.netlify.app","thumbnail_url":"https://m.media-amazon.com/images/I/518SaJrb0IL._SL500_.jpg"}