as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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tell me what the expression "out of the blue" means?
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the phrase "out of the blue" is an expression that refers to something that happens unexpectedly and without warning. it can be used in a variety of contexts, for example, when something positive or negative happens with no prior indication.
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