He says: It had only been through books, at best no more than vicarious cultural transfusions, that I had managed to keep myself alive in a negatively vital way.

并加以思索，他说，：,“唯有通过读书，这种让文化在我心中产生共鸣的方式,才能维系我生存的勇气。

耶鲁公开课 - 1945年后的美国小说课程节选

You can keep people alive for many decades with periodic dialysis to remove waste products from the blood.

通过周期性的透析除去血液中的代谢废物,可以使病人寿命延长几十年

耶鲁公开课 - 生物医学工程探索课程节选

To keep that conception in regard to decent race relations alive and growing has been the aspiration of generation after generation in many an American family, judging by my own and by those I know.

美国世世代代,都憧憬这一种理想,那就是保持,广博开放的胸襟，来正确面对种族问题。

耶鲁公开课 - 1945年后的美国小说课程节选

But in fact, in his own way, he's talking about his inability ; to keep his child alive there; in a kind of metaphorical way, speaking of his failure to build a fence to last.

但事实上，以他自己的方式，他在诉说自己的无能,不能让孩子活下来;,以一种象征性的方式，谈论自己不能制作出一个一直在那的栅栏。

耶鲁公开课 - 现代诗歌课程节选