for good measure
額外的、作為保險措施的
口語·表示額外添加
英文釋義
as an additional extra; to go beyond what is needed or expected
例句
She added a pinch of cinnamon for good measure to the recipe.
典故來源
源自16世紀商業交易中，賣家在稱重后額外加一點貨物以確保足量。