Last Updated
：2025/11/28
canary in the coal mine
（ plural ）
（ plural ）
（ plural ）
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Alternative form of canary in a coal mine
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canary in the coal mine
The neighborhood's increase in abandoned storefronts acted as a canary in the coal mine for the city's economic decline.
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The neighborhood's increase in abandoned storefronts acted as a canary in the coal mine for the city's economic decline.
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