"what's the difference" meaning in English

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  "lang_code": "en",
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          "ref": "1908, Lucy Maud Montgomery, chapter XII, in Anne of Green Gables:",
          "text": "\"I don't see why it's any more ridiculous to wear flowers on your hat than on your dress,\" protested Anne. \"Lots of little girls there had bouquets pinned on their dresses. What's the difference?\"",
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          "ref": "1997, Ed Bott, Using Windows:",
          "text": "What's the difference between new Windows programs and old ones? If you're paying close attention, you'll notice subtle differences in the way new 32-bit Windows programs look. Dialog boxes, for example, are likely to have tabbed pages ...",
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        "Used other than figuratively or idiomatically: see what, is, the, difference."
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          "ref": "2010, Patricia O'Grady, Tales of the Whosawhachits: Key Holder of the Realms:Book 1:",
          "text": "“Genies, fairies, whatever, what's the difference, bring them here I want to talk to them,”",
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      "glosses": [
        "The difference doesn't matter; so what?"
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        "(idiomatic) The difference doesn't matter; so what?"
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  "word": "what's the difference"
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          "ref": "1908, Lucy Maud Montgomery, chapter XII, in Anne of Green Gables:",
          "text": "\"I don't see why it's any more ridiculous to wear flowers on your hat than on your dress,\" protested Anne. \"Lots of little girls there had bouquets pinned on their dresses. What's the difference?\"",
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          "ref": "1997, Ed Bott, Using Windows:",
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          "ref": "2010, Patricia O'Grady, Tales of the Whosawhachits: Key Holder of the Realms:Book 1:",
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      "glosses": [
        "The difference doesn't matter; so what?"
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        "(idiomatic) The difference doesn't matter; so what?"
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  "word": "what's the difference"
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