imaginable和conceivable
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【答案】 imaginable和conceivable看起来好像都是”可想像“.但是：
imaginable 来自image图像.
conceivable 来自 conceive构想 (没有现有的）.
imaginable =“有图像的”可想像
conceivable =“全是构想的“可想像
所以我们说“Not all things that are conceivable are imaginable but all things that are imaginable are conceivable.”