cross-culture方面那位高手帮我用英语解释一下 下面文章中的现象

cross-culture方面那位高手帮我用英语解释一下 下面文章中的现象
The boys in your host school talk about sports and cars and show little interest in politics.
Jonas,a Danish boy, wanted to learn more about US. foreign policy and hoped to engage in vigorous discussions about politics with his new American friends the way he did with his intelligent Danish friends at home. Instead,he found himself bored in conversations that revolved only around football,cars and rock music. He could not believe how little the boys in his school knew about their own country government and foreign policy. While many of them seemed intelligent, their inability to discuss politics indicated the opposite