The sky was an inverted cup of blue metal.

天空是倒置的蓝色金属杯。

China Moly's monster mine in Congo will produce three times as much copper as it will the blue metal.

China Moly 位于刚果的巨型矿山的铜产量将是蓝色金属的三倍。

Fast forward to today and the price of the blue metal, which had more than doubled between summer 2021 and spring 2022, to $82,000 a tonne, has collapsed to $35,000, not far from historic lows.

快进到今天，这种蓝色金属的价格在 2021 年夏季到 2022 年春季之间翻了一番以上，达到每吨 82,000 美元，现在已经跌至 35,000 美元，距离历史低点不远。