And NAND2Tetris became one of the first massive, open, online courses, although seven years ago we had no idea that what we were doing is called MOOCs.
同时NAND2Tetris 成了第一批 大规模的、 开放的、 在线课程之一 虽然 7 年前我们还不知道我们在做的 东西被叫做MOOCs。