仔细想想，黄金法则本质上是自私的，因为人们是从自身利益出发来遵循这一法则。
When you think about it, the Golden Rule is inherently selfish, as those who abide by it are acting with their own interests in mind.
黄金及其合金是历史悠久的饰品材料，金合金的颜色本质是电子的能带跃迁，因此可以通过合金化与能带结构变化的关系来了解颜色变化的机制。
Gold and it's alloy have a long history of being used as a kind of jewelry materials. The inbeing of the color is the electron transition in energy band.
黄金及其合金是历史悠久的饰品材料，金合金的颜色本质是电子的能带跃迁，因此可以通过合金化与能带结构变化的关系来了解颜色变化的机制。
Gold and it's alloy have a long history of being used as a kind of jewelry materials. The inbeing of the color is the electron transition in energy band.
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