riedl 基本例句 里德尔 But that approach often does not offer much insight as to why a particular film or restaurant is being recommended, said John Riedl, a professor of computer science at the University of Minnesota. 明尼苏达大学计算机科学教授约翰·雷德尔说，这样的办法常常无法就为什么某部特定电影或者餐馆会备受推崇给出多少有见地的看法。 yeeyan