They were passed down orally within cultures from generation to generation, so they changed a lot over time. 它们是在某一文化领域内代代口头相传下来的,所以随着时间的推移,它们也发生了很大的变化。
Parry had discovered what Wood and Wolf had missed: the evidence that the poems had been transmitted orally was right there in the text itself. 帕里发现了伍德和沃尔夫忽略的东西:诗歌本身被口头传递的证据就在其文本中。