求马唐肆
      Explanation: Don: The original is the absence of the wall of the house, interpreted as empty; Stanford: shop, here refers to the place to sell horses. The horse was not stopped to look at the horse. Metaphor in a place with nothing to seek what they need.
      Source: "Zhuangzi Tian sub-side," He has done men, and women find the thought that there is also seeking horse in the Tang Stanford. "