Yet they leave no sort of trace in the archaeologicalrecords unless they are captured by a dictaphone or written down by a clerk.

• 有时候，多数人从来不接受某些俚语，但是他们把这些俚语保存到集中记忆中。每一代人似乎都需要 独有的一套词汇来描述熟知的物体和事件。