He said that he is living a dream, so why would he give it up now?

VOA: standard.2010.02.28

So one answer to the question is why can't I give up my natural rights to life, liberty, and property is well, they're not, strictly speaking, yours.

第一个答案解释了为什么我们不能放弃,我们的生命，自由和财产权利，因为严格来说，它们不是自己的。

耶鲁公开课 - 公正课程节选

So that explains why they're so reactive, they're all very willing to give up that one s orbital and then drop to a lower energy level.

这就解释了它们的化学性质为什么非常活泼，它们都很愿意失去那个，s，电子,然后降到更低的能级上去。

麻省理工公开课 - 化学原理课程节选