canaries in a coal mine
plural of canary in a coal mine
(surgery) An instrument used for dilating the urethra or other canal
plural of ooze
plural of uredinium
その臆病な投資家たちは炭鉱のカナリアたちのように振る舞い、些細な問題の兆候で市場から逃げ出した。
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DiQt
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