煤炭价格正在飙升。
煤炭价格翻了一番。
煤炭价格升的很快。
煤炭价格已经疲软。
许多人以前是农民，当煤炭价格上涨之后就都换了工作。
Many are former farmers who switched jobs when the local price of coal went up.
我们想帮助加速开发那些价格可与煤炭匹敌的可再生能源。
We want to help catalyze the development of renewable energy that is price-competitive with coal.
而且时至今日，煤炭——污染最严重的能源——还是保持着价格最低的优势。
And coal, the dirtiest of all energy sources, is still by far the cheapest.
不管是石油、玉米、铁矿石、煤炭、棉花还是铜，价格都在快速下跌。
Whether it is oil, corn, iron ore, coal, cotton or copper, prices are falling quickly.
不管是石油、玉米、铁矿石、煤炭、棉花还是铜，价格都在快速下跌。
Whether it is oil, corn, iron ore, coal, cotton or copper, prices are falling quickly.
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