I think a good deal of what happened was from the inside." Twenty years after the fall of the Berlin Wall, the debate continues.

VOA: standard.2009.11.03

And on specific holidays that deal with the themes of nature in the fall.

在秋天有一些特定的节日,都是有关自然的主题。

普林斯顿公开课 - 人性课程节选

And on specific holidays that deal with the themes of nature in the fall.

在秋天有一些特定的节日,都是有关自然的主题。

普林斯顿公开课 - 人性课程节选