So if you could make a hepatitis B vaccine that didn't require a shot or that didn't require refrigeration, that would be a tremendous advance in spreading that vaccine through the world.

所以如果你可以开发出这样的乙肝疫苗,它不需注射就能接种,或者不需要冷藏,这样的巨大进步,能够将疫苗的使用普及至全世界

耶鲁公开课 - 生物医学工程探索课程节选

They were very suspicious of the democratic tendencies, or so it seemed, the democratic tendencies of that northern society which was spreading literacy more widely, and eventually the right to vote more widely, at least among white people.

他们也对民主倾向表示怀疑,事实就是如此,有着民主倾向的北方社会,文化教育的开展更为广泛,因而更广大人民有着投票权,至少大部分白人有投票权

耶鲁公开课 - 美国内战与重建课程节选