The professors also analyzed the rate at which different types of assets had their ratings downgraded or upgraded and found a similar pattern.
几位教授还分析了不同种类资产的评级升降几率，发现了类似的规律。
Off the court and in the classroom, Obama found peers and professors who challenged him to think more deeply.
在球场和教室以外，奥巴马发现同龄人和教授使他思考得更加深刻了。
He found that on several tests of memory, the mentally active professors in their 60's and early 70's performed better than those of the same age, and as well as the younger group.
他发现，这些年龄在60岁和70岁之间的教授比他们的同龄人表现好，甚至好过于比他们年轻的人。
He found that on several tests of memory, the mentally active professors in their 60's and early 70's performed better than those of the same age, and as well as the younger group.
他发现，这些年龄在60岁和70岁之间的教授比他们的同龄人表现好，甚至好过于比他们年轻的人。
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