#VOA双语新闻：奥巴马呼吁国会延长学贷低利率 搜索结果
U.S.PresidentBarackObamavisitedAmericancollegecampusesonTuesday,lookingforsupportforhisplantoholddownfederalstudentloanrates.Thepresidentisappealingtoyoungvoters,whooverwhelminglysupportedhiminthe2008election.
