出典:Wiktionary
出典:『Wiktionary』 (2025/08/05 16:18 UTC 版)
From blue + collar. From the color of rugged denim and chambray work shirts often worn by manual workers, as opposed to the white dress shirts typically worn by professionals and clerical workers.
blue-collar (comparative more blue-collar, superlative most blue-collar)
blue-collar (plural blue-collars)
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