The misquoted idiom "It's half of one or two dozen of another" reflects Laura's indifference.
"It's half of one or two dozen of another." This misquoted idiom from "Daughter of Invention" is intended to convey that it makes no difference to Laura. The original idiom is "it's six of one, half a dozen of the other," which means the options or outcomes are essentially the same. In this context, Laura is expressing indifference towards the choices or situations presented.
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