电子设备含有贵重金属，如金和银。

Electronic devices contain valuable metals such as gold and silver.

youdao

从它们的颜色上很容易知道，制作它们的材料是金和银。

It is clear already from their colors that the materials they're made of are gold and silver.

youdao

金和银对他们来说，是有味的。

Gold and silver possess an odor for them.

youdao

So you build it with a material like silver and gold, and then you encounter the problems of society that your bridge might get stolen because somebody thinks they have a better use for silver and gold than your bridge.

但如果你用金或银这样的材料,你又会面对新的问题,你的桥会被偷走,因为有人认为金和银有比造桥更好的用途

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