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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。Quality: WTI is taken into account a "light-weight sweet" crude oil, which happens to be much easier to refine, when Brent can be a combination of crude oils, which includes the two "light sweet" and "heavy bitter" grades.Price tag Speculation: Trad