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Not needed or required; unnecessary
このステップは不必要です
This step is unnecessary
不必要なコストを削減する
To reduce unnecessary costs
Often used to describe things that are redundant or can be omitted without consequence
This word is often used in professional settings to identify inefficiencies or redundant elements in processes or systems.
From 不 (fu, 'not') + 必要 (hitsuyō, 'necessary')
Can be used to describe physical objects, information, or processes that are redundant. Often used in business and technical contexts to identify inefficiencies.