The reason for this was that he decided to orientate the map in the direction of the Vole Star since Polaris was the immovable guiding light in which the voyagers of that era placed their trust.

• 其原因是他决定以北极星的方向来确定地图的方向，因为北极星是固定不动的航灯，那时的航海者依赖它进行航行。