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。 Good quality: WTI is considered a "mild sweet" crude oil, which is simpler to refine, although Brent is a combination of crude oils, including equally "light-weight sweet" and "weighty bitter" grades. WTI futures contracts are usually settled through Bodily delivery. If a trader retains a deal until https://brazilianwax09730.get-blogging.com/36388968/new-step-by-step-map-for-book-a-massage-to-your-hotel