Faced with volatile prices for materials crucial to many of their most promising clean energy products, US corporations are quietly investing in alternative technologies and retooling their manufacturing processes to reduce demand for “rare earths”.
由于稀土價格波動劇烈，美國企業正悄悄投資于另類技術，并改進制造流程，以減少對稀土的需求。稀土是很多美國企業最為看好的清潔能源產品所必需的原材料。
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