Is that something that can go for a semester or in the best of words for at least a year or more.

这种活动可以持续一个学期,乐观地说，至少可以一年甚至更长。

普林斯顿公开课 - 人性课程节选

.. So that death-- they're optimists in this strange sense, if they think life would've been good, which means of course that that we die is bad for us.

所以死亡-,在这种奇怪意义上他们是乐观主义者，如果他们认为活着本来会很美好，那意味着死亡是件坏事。

耶鲁公开课 - 死亡课程节选

But what of it? Think as long as you can though the artist throw out the negativism in reality by means of his art. And so he ends up with this very optimistic point of view.

但这有什么关系呢？，好好地想一想,尽管这个艺术家在现实中通过艺术,驱逐了消极主义,因此他最终形成了这种乐观的观点。

麻省理工公开课 - 电影哲学课程节选