save keep etc. it for a rainy day是什么意思

词组 save keep etc. it for a rainy day 释义 ●save, keep, etc. it for a rainy day (informal) save money or things for a time in the future when you might need them 储备财物以备不时之需；未雨绸缪◆‘Don’t spend it all at once,’ his aunt said. ‘Save som...