虽然它是在以原材料换取进口商品，至少目前这些商品的价格对非洲有利。
Though it is swapping raw materials for imports, at least prices favour Africa at the moment.
铁矿石的现货价格目前在每吨50美元左右波动，虽然高于去年底时每吨36美元的低点，却仍低于每吨120美元的历史高点。
Current spot prices are hovering around $50 a metric ton, up from the low of $36 late last year but still off their highs of $120.
多年前人们就已经在预测，这种技术的应用很快就能全面普及，虽然该预言目前还没有变为现实。但随着价格的下跌，它最终会实现。
People have been predicting for years that they would shortly become ubiquitous; but, with costs continuing to fall, they eventually will.
虽然煤炭价格在2004和2005年也曾大幅上涨，但本轮的价格涨势更猛，人们由此而产生的担忧也更强烈，因为全球经济陷入衰退的可能性目前正在加大，而油价仍在每桶90美元的高位徘徊。
Coal prices enjoyed a bull run in 2004 and 2005, but today's boom is bigger and is causing more concern, as the possibility of a global recession looms and oil trades at around $90 per barrel.
虽然在不同情况下均衡值不同，但均低于目前的实际价格。
Though there is different equilibrium under different combination, they are all lower than the current price.
虽然在不同情况下均衡值不同，但均低于目前的实际价格。
Though there is different equilibrium under different combination, they are all lower than the current price.
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