米兰冬奥奖牌成本暴涨8倍
据悉,本届冬奥金牌重506克,以银为基底镀6克纯金,材料成本约2177美元,是2006年的8.2倍;纯银奖牌成本达1277美元,较当年增长8.1倍;铜合金制成的铜牌成本虽仅5美元,也较20年前上涨2.5倍。这与黄金白银等贵金属价格的动荡有关吗?(点击音频收听详情)
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