At first, Watson wasn't very good, but it improved at a rate faster than any human could, and shortly after Dave Ferrucci showed this chart to my class at MIT, Watson beat the world "Jeopardy" champion.
最初，沃森变现得并不出色， 但是它比任何人类改进得都快， 很快，在大卫·费鲁奇给我在MIT 的学生看这张图之后不久， 沃森就击败了“杰帕迪”的世界冠军。