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Open-collar workers : People who work at home.
开领工人 ：在家办公人士。
youdao
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Open-collar workers : People who work at home.
黑领工人 ：矿工（尤指煤矿工人）和石油工人。
youdao
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He always wears a collar and tie for work.
他上班总是系着领带。
《牛津词典》
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He always wears a collar and tie for work.
他上班总是系着领带。
《牛津词典》