They did not have great urban cultures and civilizations, long traditions of learning and so on.

他们没有城市文化和文明,没有长期学习的风俗

耶鲁公开课 - 古希腊历史简介课程节选

They're going to spend time learning other cultures.

他们要花时间,学习别的文化。

普林斯顿公开课 - 国际座谈会课程节选