A central text for this course is Collective Memory.

这个课程的中心文章是《集体回忆》。

Then comes a collective memory: the Horsemen of the Apocalypse.

然后集体回忆起来：天启骑士。

Cities are the collective memory of the entire human race.

城市是全人类的共同记忆。

Picking the fruits: Recording - or creating a collective memory.

采摘果实：记录(录音或录像)或者建立共同记忆。

This bitter experience is seared into their collective memory.

这段惨痛的经历已经烙进他们的集体记忆。