Open-collar workers : People who work at home.

开领工人 ：在家办公人士。

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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

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