Platinum is a key resource for the automotive industry, and 90 percent of global reserves are in South Africa.
铂是汽车工业的一个重要资源，全球储量的90%是在南非。
The International Energy Agency said new techniques to extract gas from previously inaccessible rock formations could extend global reserves for more than 250 years.
国际能源组织表示，从岩石中提取天然气的新技术可能延长全球储备250年的时间。
The International Energy Agency said new techniques to extract gas from previously inaccessible rock formations could extend global reserves for more than 250 years.
国际能源组织表示，从岩石中提取天然气的新技术可能延长全球储备250年的时间。
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