但是Petra认为该钻矿仍可继续开采20年，并计划每年至少开采1百万克拉。
But Petra reckons the mine still has another 20 years of production in it and plans to extract at least 1m carats a year.
罗素·赫尔曼·康威尔博士说我们每个人正身处于自己的钻矿之上，这是他的真心话。
When Doctor Russell H. Conwell talked about each of us being right on his or her own acres of diamonds, he surely knew what he was talking about.
德比尔斯公司因为欧盟反垄断协议中禁止囤货，于是关闭了一些钻矿以应对原石供应过剩。
But DE Beers, which is prohibited under its European Union antitrust agreement from stockpiling, closed mines in response to the glut in rough stones.
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