予よ備び金きん

noun

reserve fund; emergency fund

Money set aside for unexpected expenses or future needs. Used in personal finance, business, and government contexts.

• 会かい社しゃは不ふ況きょうに備そなえて予よ備び金きんを積つみ立たてている。

  The company is building up a reserve fund in case of recession.

• 急きゅうな出しゅっ費ぴのために予よ備び金きんを用よう意いしておくといい。

  It's good to have an emergency fund for sudden expenses.