Before revision:  We lay the foundations via moral philosophy's definition of social good, propose a framework to evaluate NLP tasks' direct and indirect real-world impact  , and adopt the methodology of global priorities research to identify priority causes for NLP research.
After revision:  We lay the foundations via moral philosophy's definition of social good, propose a framework to evaluate NLP tasks' direct and indirect real-world impact of NLP tasks , and adopt the methodology of global priorities research to identify priority causes for NLP research.