The students chosen for the survey are a fairly representative sample/sampling of college students from across the U.S.被选来参加调查的学生在一定程度上代表全美国的大学生。Of all the men in the survey, they rate themselves the least fun-loving and the most responsible.在所有参加调查的人中，他们认为自己最不贪玩、最负责任。