translation.en: I mean, in the 18th century, in the 18th century you could become an expert on any field of science in an afternoon by going to a library, if you could find the library, right?
translation.zh: 在18世纪， 你可能下午去过一趟图书馆，就有可能 成为某一个领域的专家 如果你找得到图书馆的话