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知乎,让每一次点击都充满意义 —— 欢迎来到知乎,发现问题背后的世界。Excellent: WTI is taken into account a "mild sweet" crude oil, which is much easier to refine, even though Brent is really a mixture of crude oils, which include the two "light sweet" and "large bitter" grades.WTI and Brent oil futures are economic