blue collar worker的意思|示意

My father was a blue - collar worker all his life.

我爸爸当了一辈子蓝领工人.

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Worker of blue collar of blue collar worker is the symmetry of white - collar worker.

蓝领工人蓝领工人是 白领 工人的对称.

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Worker of white - collar worker white - collar is blue collar worker symmetrical.

白领 工人白领工人是“蓝领工人”的对称.

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