毕业礼服
Caps and Gowns at Graduation来源：考试大
 
　　在中世纪的欧洲，学者所戴的帽子和所穿的衣服都是黑色的。黑色在那时受到神职人员的青睐，是权威的象征。这一简朴的颜色被保留至今，并被用于现代高中毕业生和大学毕业生在毕业典礼的着装。毕业生将帽子的流苏从一边移到另一边，表示他们有了提高。这种帽子是由中世纪的法冠发展而来。法冠是一种方形的帽子，供大学在校生和中小学学生专用。来源：考试大
 
　　In medieval Europe the caps and gowns worn by the accademic community were in black. The color black, the preference of ecclesiastical leaders,was a symbol of authority. This austerity has been retained by modern high schools and universities in the caps and growns worn at graduation ceremonies. The tassel that graduates transfer from one side of the cap to the other as a sign of their elevation is an outgrowth of the medieval biretta, a tufted square cap appropriated by undergraduates and schoolboys.