In diachronic perspective, the development of cognitive ability and the accumulating of experiences, which are reflected in the various versions of the same original texts, make poems or Ci translatable.

From historian Kraph\'s point of view, Wu\'s case shows that the restoration of norms themselves gives foundation to explain the history, diachronically perspective getting started as a methodology to provide its historical objectivity, and the goal of the scientific study of the history should be to point to the present and the future.