Five-nanometre gold particles, for example, look red, and silver ones look yellow.

例如，五纳米的金粒子呈现红色，银粒子呈黄色。

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The colour comes from the light that remains unabsorbed. Five-nanometre gold particles, for example, look red, and silver ones look yellow.

光中的颜色仍然未被吸收，例如5毫微米的金粒子呈红色，而银离子呈黄色。

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According to Apple Inc, the two new models will come in two finishes: yellow gold aluminum with a red strap, and silver aluminum with a red strap.

根据苹果公司的消息，这两款新型手表将会以两种样式最终呈现：一种是金色表盘搭配大红色橡胶表带，另一种则是银色表盘搭配大红色橡胶表带。

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For the long term, therefore, our price outlook remains bearish and we believe that once the tide turns lower for gold and the yellow metal starts trending downwards, so too will silver.

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