"surplus labour" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Labour performed in excess of the labour necessary to produce the means of livelihood of the worker."
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          "Labour",
          "labour"
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      "raw_glosses": [
        "(Marxism) Labour performed in excess of the labour necessary to produce the means of livelihood of the worker."
      ],
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      "translations": [
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "(Marxism) labour performed in excess",
          "tags": [
            "masculine"
          ],
          "word": "plustrabajo"
        }
      ],
      "wikipedia": [
        "surplus labour"
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  "word": "surplus labour"
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  "lang_code": "en",
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      "glosses": [
        "Labour performed in excess of the labour necessary to produce the means of livelihood of the worker."
      ],
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          "Labour",
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        "(Marxism) Labour performed in excess of the labour necessary to produce the means of livelihood of the worker."
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  "translations": [
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      "code": "es",
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      "sense": "(Marxism) labour performed in excess",
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        "masculine"
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      "word": "plustrabajo"
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  "word": "surplus labour"
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