“…Zhou further studied the ER approach under both fuzzy weights and utilities under group decision making situation [5], [11] . In recent years, the ER approach has been developed in many applications, for instance, environmental impact assessment [7] , product project screening [16] , R&D projects assessment [4] , safety analysis [17] , consumer preferences extraction [18]- [20] , clinical risk assessment [21] , project risk analysis [22] , system reliability prediction [23] , new product design assessment [24] , failure mode and effects analysis [25] , highway express passenger transportation company evaluation [26] , the performance of VMI alliance [5] and so on.…”