还没有电脑的时候，人们需要努力从别人那里获取知识，或者去图书馆。
When there were no computers, efforts were required to get knowledge from other people, or go to the library.
目录就是帮助人们从概念出发，获取有用知识资源的方式。
A catalog, then, is a way of helping people get from concepts to useful knowledge resources.
另一种经验主义与我们从哪里获取知识有关。
Another kind of empiricism has to do with where we get our knowledge.
应用推荐