高盛警告：矿山成本上升导致铜供应受限
· thehindubusinessline.com
高盛研究表示，随着矿山发现减少、矿石品位下降以及开发成本上升，铜供应面临长期制约。
Global copper supply faces a long-term structural constraint as declining discoveries, falling ore grades and rising development costs make new mines increasing...