"Anna Karenina principle" meaning in English

{
  "etymology_text": "Referring to Leo Tolstoy's 1877 novel Anna Karenina, which begins: “All happy families are alike; each unhappy family is unhappy in its own way.” Popularized by American scientist Jared Diamond (born 1937) in his 1997 non-fiction book Guns, Germs, and Steel, in which he uses it to illustrate why so few wild animals have been successfully domesticated throughout history.",
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      "expansion": "Anna Karenina principle",
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
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      "examples": [
        {
          "ref": "2011 July 15, Cary L Cooper, Stephen Wood, “Happiness at work: why it counts”, in The Guardian",
          "text": "While there may be some truth in the Anna Karenina principle that all happy families are alike, but every unhappy family is unhappy in its own way, we increasingly have a better understanding of what makes for unhappiness and stress in the workplace.",
          "type": "quotation"
        },
        {
          "ref": "2022 June 22, Gearoid Reidy, “The Fertility Crisis Started in Japan, But It Won’t Stay There”, in The Washington Post",
          "text": "Japan is often convinced that its economic malaise since the 1980s is the root of its ills, but that link seems less than clear. […] It’s a variation on the Anna Karenina principle: All fertile societies are alike; each infertile society is infertile in its own way.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A notion stating that the success of an endeavor depends upon the fulfilment of several essential conditions, and a deficiency in any one of these factors dooms the endeavor to failure."
      ],
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      "wikipedia": [
        "Anna Karenina",
        "Guns, Germs, and Steel",
        "Jared Diamond",
        "Leo Tolstoy"
      ]
    }
  ],
  "word": "Anna Karenina principle"
}

{
  "etymology_text": "Referring to Leo Tolstoy's 1877 novel Anna Karenina, which begins: “All happy families are alike; each unhappy family is unhappy in its own way.” Popularized by American scientist Jared Diamond (born 1937) in his 1997 non-fiction book Guns, Germs, and Steel, in which he uses it to illustrate why so few wild animals have been successfully domesticated throughout history.",
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    {
      "args": {},
      "expansion": "Anna Karenina principle",
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  "lang_code": "en",
  "pos": "name",
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        "English uncountable nouns"
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      "examples": [
        {
          "ref": "2011 July 15, Cary L Cooper, Stephen Wood, “Happiness at work: why it counts”, in The Guardian",
          "text": "While there may be some truth in the Anna Karenina principle that all happy families are alike, but every unhappy family is unhappy in its own way, we increasingly have a better understanding of what makes for unhappiness and stress in the workplace.",
          "type": "quotation"
        },
        {
          "ref": "2022 June 22, Gearoid Reidy, “The Fertility Crisis Started in Japan, But It Won’t Stay There”, in The Washington Post",
          "text": "Japan is often convinced that its economic malaise since the 1980s is the root of its ills, but that link seems less than clear. […] It’s a variation on the Anna Karenina principle: All fertile societies are alike; each infertile society is infertile in its own way.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A notion stating that the success of an endeavor depends upon the fulfilment of several essential conditions, and a deficiency in any one of these factors dooms the endeavor to failure."
      ],
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          "deficiency"
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          "doom"
        ],
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          "failure"
        ]
      ],
      "wikipedia": [
        "Anna Karenina",
        "Guns, Germs, and Steel",
        "Jared Diamond",
        "Leo Tolstoy"
      ]
    }
  ],
  "word": "Anna Karenina principle"
}