I'm doing seven years

　　As students in the college of veterinary medicine at Texas A & M University, we frequently treated the farm animals at the state prison. While awkwardly performing a medical procedure on an unruly horse, a classmate said to the prisoner who was holding the animal, "Sorry I'm taking so long." "No problem," the prisoner replied, "I'm doing seven years.

　　我在德克萨斯A&M大学兽医药学系学习的时候，同学们经常把动物带到州监狱里去治疗。有一次我们笨手笨脚的给一匹烈马做完检查，我同学对一直按着这匹马的犯人说：“真是不好意思，我用了这么长时间。”“没关系，”他回答说，“我已经作了七年这种事了。”