求翻译：不同文化之间的差异是由于各自民族的文化历史背景、审美心理的不同而产生的，是在社会的发展、历史的沉淀中约定俗成的，是一种永久性的文化现象是什么意思？

Differences between different cultures is due to their respective national cultural and historical background, aesthetic psychological differences arising out of, is in the history of social development, established in precipitation, is a permanent cultural phenomenon