「ビジネス知識源」の著者、吉田繁治です。最新の金融・株價・通貨、日本と世界の經濟情勢、財政、金融、金融商品投資、通貨、事業經營、ビジネス、情報システム、政治、社會の廣範圍な情報と知識を原理化して提供します。
I am Shigeharu Yoshida, author of "Business Knowledge Source." I provide a wide range of information and knowledge in a systematic way on the latest finance, stock prices, currencies, the economic situation in Japan and the world, finance, financial products, investment, currencies, business management, business, information systems, politics, and society.