A Swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comparison to total waste, the concentration of gold and other precious metals was higher in So-called e-waste than in naturally occurring minerals.
瑞士的一项研究报告称, 以贵重金属为代表的电子产品的重量与总废弃物相比相对较小, 但在所谓的电子废弃物中, 黄金和其他贵金属的浓度要高于天然矿物。
2015江苏卷