"This accounts for the subsequent loss to posterity of the wooden ox," notes Wang Jian. "It was such a brilliant invention that no-one else dared make one, and even if they made one they wouldn't be able to control it."
「這也是為什麼木牛流馬後來失傳，因為它太高明瞭，沒有人敢造，造了也牽制不了。」