Global Business Speaks English Harvard Business Review Harvard Business Review – Global Business Speaks English 1.75 billion people English considered the global language of business global language of business 世界中で英語を話す17.5億人のうち、実に80%近くが「ESL」である Tsedal Neeley’s article Global Business Speaks English Harvard Business Review – Global Business Speaks English the language of global business Global business may be standardizing on English Harvard Business Review global language of business established business the language of global business Harvard Business Review English the international business language Harvard Business Review global language of business hbr.org https://hbr.org/2012/05/global-business-speaks-english hbr.org Harvard Business Review（2012） lenguaje global de los negocios Tsedal Neeley’s article Tsedal Neeley, Harvard Business School