an ounce of prevention is worth a pound of cure
預防勝于治療
口語·書面語·表示預防的重要性
英文釋義
It is better to take precautions in advance to prevent a problem, rather than trying to resolve it later.
例句
I always wear sunscreen — an ounce of prevention is worth a pound of cure.
典故來源
源自本杰明·富蘭克林在1736年《窮理查年鑒》中的諺語，強調預防比事后補救更有效。