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orderly; regular; systematic; well-organized; well-organised; trim; tidy; accurate
彼の書斎はいつも井然と整理されている。
His study is always neatly organized.
避難訓練は井然と行われ混乱は一切なかった。
The evacuation drill was conducted in an orderly manner with no confusion.
倉庫の中が井然と片付いていて感心した。
I was impressed that the warehouse was tidily organized.