"In terms of the historical materials used, they're almost completely different fields: one is the seventeenth century, and the other is the twentieth," says Wu Mi-ch'a, marveling at the vitality of this 80-year-old professor.
「以應用史料來說，一個是十四、五世紀，一個是二十世紀，幾乎是完全不同的範疇」，吳密察說，由此可看出這位八十歲的老教授生命力有多強。