But a thirst for knowledge is useful not only in foreign countries. Indeed, it is critical to gaining insight into the differences – and similarities – among people of different backgrounds, even those who live just a few towns or miles apart.
但对知识的渴望并不只在外国有用。事实上，这是获得关于不同背景的人群的不同点和相同点的洞见的关键，哪怕这两群人只隔着几个村庄、几英里远。