"one man's loss is another man's gain" meaning in English

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      "expansion": "one man's loss is another man's gain",
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  "lang": "English",
  "lang_code": "en",
  "pos": "proverb",
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      "glosses": [
        "Some people's misfortune is other people's fortune."
      ],
      "id": "en-one_man's_loss_is_another_man's_gain-en-proverb-VPCb5em4",
      "links": [
        [
          "misfortune",
          "misfortune"
        ],
        [
          "fortune",
          "fortune"
        ]
      ],
      "related": [
        {
          "word": "one man's joy is another man's sorrow"
        },
        {
          "word": "one man's meat is another man's poison"
        },
        {
          "word": "one man's trash is another man's treasure"
        }
      ],
      "translations": [
        {
          "code": "ar",
          "lang": "Arabic",
          "roman": "maṣāʔibu qawmin ʕinda qawmin fawāʔidu",
          "sense": "some people's misfortune is other people's fortune",
          "word": "مَصَائِبُ قَوْمٍ عِنْدَ قَوْمٍ فَوَائِدُ"
        },
        {
          "code": "da",
          "lang": "Danish",
          "sense": "some people's misfortune is other people's fortune",
          "word": "den enes død, den andens brød"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "some people's misfortune is other people's fortune",
          "word": "toisen kuolo, toisen leipä"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "some people's misfortune is other people's fortune",
          "word": "le malheur des uns fait le bonheur des autres"
        }
      ]
    }
  ],
  "word": "one man's loss is another man's gain"
}

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      "expansion": "one man's loss is another man's gain",
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  "lang": "English",
  "lang_code": "en",
  "pos": "proverb",
  "related": [
    {
      "word": "one man's joy is another man's sorrow"
    },
    {
      "word": "one man's meat is another man's poison"
    },
    {
      "word": "one man's trash is another man's treasure"
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        "Some people's misfortune is other people's fortune."
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          "misfortune",
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          "fortune",
          "fortune"
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  "translations": [
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "maṣāʔibu qawmin ʕinda qawmin fawāʔidu",
      "sense": "some people's misfortune is other people's fortune",
      "word": "مَصَائِبُ قَوْمٍ عِنْدَ قَوْمٍ فَوَائِدُ"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "some people's misfortune is other people's fortune",
      "word": "den enes død, den andens brød"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "some people's misfortune is other people's fortune",
      "word": "toisen kuolo, toisen leipä"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "some people's misfortune is other people's fortune",
      "word": "le malheur des uns fait le bonheur des autres"
    }
  ],
  "word": "one man's loss is another man's gain"
}