Well, you might say surely there could be creatures that would want to live forever, that would enjoy an eternal existence.

你们也许会说一定存在某种生物,会希望永远活下去，会享受一种永恒的存在。

耶鲁公开课 - 死亡课程节选

Well, you can't live here. I don't prefer living in London,

这里不适合居住。我不倾向于住在伦敦，

伦敦生活的优缺点 - SpeakingMax英语口语达人

So, it's more effective because it's a live virus but it's a little bit more concerning because it's a live virus as well, in that you trust that it's attenuated but could it convert back to a virulent form or a form that caused a disease.

因此,口服疫苗更加有效,因为它是活性病毒,但又是因为这一点,人们也存有更多顾虑,当它处于减毒状态时你会信任它,但是它会不会转变回,强毒壮态或者致病状态呢

耶鲁公开课 - 生物医学工程探索课程节选

She says, just stay with me and I--you will live forever and all will be well and he says, well, you're a very beautiful girl and I enjoy you a lot, but I got to go back to Ithaca.

女神说,留下来,我赐你长生不老,终生美好,但奥德修斯拒绝了,虽然您的魅力让我倾心,但我不得不返回伊萨卡岛

耶鲁公开课 - 古希腊历史简介课程节选