You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Translation

Context:
Though earlier approaches to translation are less commonly used today, they retain importance when dealing with their products, as when historians view ancient or medieval records to piece together events which took place in non-Western or pre-Western environments. Also, though heavily influenced by Western traditions and practiced by translators taught in Western-style educational systems, Chinese and related translation traditions retain some theories and philosophies unique to the Chinese tradition.

Question:
What do Chinese and related translations retain unique to their tradition?

theories and philosophies