日本は完敗、中国の「最先端キャッシュレス」事情。米国が恐れる理由
G20でのトランプ大統領と習近平国家主席 President Donald J. Trump, seated next to Japanese Prime Minister Shinzo Abe, listens as China’s President Xi Jinping, right, delivers remarks at the G20 Leaders Special Event on the Digital Economy at the G20 Japan Summit Friday, June 28, 2019, in Osaka, Japan. (Official White House Photo by Shealah Craighead)