"一V了之"is a negative modality construction.In terms of formalization,it has gone through an evolution process from"以+X+了之"to"以+一V+了之"and then to"一V了之".Affected by the psychology of seeking simplicity,the variable"X"is stable as a constant"V",and"一V"is more convenient than"X"."以+X+了之"is stable as"以+一V+了之";under the influ-ence of analogy and economic principles,the word"以"is omitted,and"以+一V+了之"is abbreviated to the"一V了之."In terms of semantics,In terms of meaning,"一V了之"has the meaning of"simple solution"belonging to the line domain;"helplessness"in negative cognition,"indifference",and"shirking responsibility"in the domain of knowledge;and"persuasion"in the domain of speech.
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