The specific gravity of iron ore is roughly five. That means it cannot float on water, or air. The iron ore price has no respect for the laws of physics. It has jumped almost 30 per cent over the past two months despite a dire outlook for demand.
铁矿石的比重大约为5，这意味着它无法浮在水面上或空气中。但铁矿石的价格却没有遵守物理定律。虽然需求前景黯淡，但铁矿石的价格过去两月已上涨近30%。
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