剑桥词典a system for preserving a group's beliefs , customs , and history , in which parents tell their children about them, and the children tell their children , and so on 口頭傳統，口頭文化（某一群躰對其信仰、習俗、歷史的傳承，由父母口頭傳授給孩子，一輩一輩傳授下去） 返回 oral tradition