Just a few months ago, the best-known base metal was looking like the least loved. Copper, first mined 10,000 years ago and used extensively in construction and electrical applications, tumbled 10 per cent in the first quarter of the year to $6,430 a tonne, and hit its lowest level since 2010.
就在几个月前，铜看起来还最不受投资者的青睐。今年1季度，铜价大幅下跌10%至每吨6430美元，为2010年以来的最低水平。铜是最著名的贱金属，开采历史可以追溯到1万年前，被广泛应用于建筑和电子行业。
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