For example, my computer is painted with a layer of shiny gold, so I call it a pure gold computer! Hehe, if you buy well, you can comfort yourself. Wear gold and silver when going out. No one else can see it until it fades. You can use it yourself if you buy it. If you can't return it, you will be cheated of 2000 yuan. The police will file a case according to law. There are many metals like gold now. More than 96% are pure gold, and soft gold does not rust. The reason why the price of gold in 300 yuan will not rise is that there are too many gold mines in the world, and 2 tons of stones are extracted from sulfur dioxide 1 g of gold.