crude和raw的区别？

crude和raw的区别？

在“原始的，未经加工的”这层意思上，crude与raw是近义词，试比较两者的英文解释： Crude substances are in a natural or unrefined state, and have not yet been used in manufacturing processes. Raw materials or substances are in their natural state before being processed or used in manufacturing. 可见二都几乎没有什么区别，通常都用于作定语，而crude oil则比较常用。 另外，对raw还有如下解释： Raw food is food that is eaten uncooked, that has not yet been cooked, or that has not been cooked enough. 因此有raw meet Raw data is facts or information that has not yet been sorted, analysed, or prepared for use. 据此，应为raw fact. …… 总之，raw的用法多于crude，具体建议参考Collins COBUILD Dictionary，内有非常明了的用法解释。