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save money against the rainy day; save money against a rainy day; put up money for rainy days | |||
save it for a rainy day (musichok) | |||
reserve money for emergencies | |||
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set money part of one's income, a little, etc. aside for a rainy day (for a special case, for one's children's education, for a possible emergency, for future use, etc., и т.д.) |