The three-fifths formula handed Jefferson his narrow victory in the presidential election of 1800 by inflating the votes of the southern states in the Electoral College.
这一“五分之三准则”使南方各州在选举团中的选票膨胀，从而使杰弗逊在1800年的总统选举中险胜。
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In one study of 400 adult who had achieved distinction in all areas of life, researchers found that three-fifths of these individuals either did badly in school or were unhappy in school.