Lord Kelvin, of the famous Kelvin degrees and all, said that the best was to use a truncated octahedron which, as you all know --  -- is this thing here!
开尔文爵士，就是开氏温度的开氏， 说最佳的是结构是截角八面体， 你们都知道的—— —— 就是这个东西！