英语2，翻译，For years, studies have found that first-generation c

英语2，翻译，For years, studies have found that first-generation college students
For years, studies have found that first-generation college students—those who do not have a parent with a
college degree—lag other students on a range of education achievement factors翻译
lag other students on a range of education achievement factors 尤其是这一句，能否详细分析一下？