填空题 By contrast, the good ideas are 1from the faculty of the understanding—or reason—and roughly involve either mathematical demonstration or factual predictions.(derive)
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【正确答案】 1、正确答案：derived    
【答案解析】解析：句意：与此相反，好的想法来源于理解能力——或推理能力——这大致包括数学实证或者实证预测。