“…But in the real world, the increasing complexity of the socio-economic environment makes it less and less impossible for the decision maker (DM) to make a decision in an order step, perhaps in some phase, the DM does not satisfy with the result, it needs to revise some value of the phase, thus, interactive process is important for the DM to determine the best alternative. Interactive approaches have been received more and more attention in recent years 2,[11][12][13][14]19,31,32 . As a result, decision situations in which the information cannot be assessed by precisely in a quantitative form but may be in a qualitative one, for example, when evaluating the "comfort" or "design" of a car, terms like "good", "medium", "bad" are usually used, and evaluating a car's speed, terms like "very fast", "fast", "slow" can be used instead of numeric values 1,10,15,24,25,[27][28][29] , and thus, in such situations, the use of linguistic approach is necessary.…”