The price of iron ore, a key source of profit for some of the world’s biggest mining companies, has surrendered all of its gains for the year as investors become fearful about waning Chinese demand.
鐵礦石是全球一些大型礦業公司的關鍵利潤來源。由於投資者對中國需求減弱感到擔憂，鐵礦石價格今年以來的漲幅已全部回落。
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