Throughout history, gold has been a sign of purity, beauty and power. Calling something golden means it has great quality and value. For example, the golden rule is possibly the world’s most widespread moral rule.纵观历史，黄金一直被视为纯洁，美丽和权力的象征。称某物像黄金意味着它具有很好的质量和很高的价值。例如，金科玉律可能是世界上最普遍的道德规则。
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