deduce from1.■根据(事实、证据等)推论，推断，演绎：What can we deduce from these figures?我们从这些数字中能得出什么结论呢?From the evidence we deduced that he was guilty.根据证据我们推断他有罪。2.■对…追根溯源，追索…的来龙去脉：to deduce the development of an economy from the remains of antiquity根据古代遗物追溯一种经济的发展过程