With so many stars in space, are we alone, or is there life on other planets in space?

太空中有这么多恒星，我们是唯一的吗，或者太空中其他行星上存在生命吗？

youdao

Are We Alone, Really?

我们真是唯一的吗？

youdao

"Maybe we can answer the age-old question 'Are we alone?'"

也许到时候我们就可以回答那个古老的问题了——‘我们是孤单的吗？’

youdao

If so,why am I risking my life for this mission if we are not there to win it?" But more troops alone will not secure Afghanistan,says retired Staff Sergeant Brian McGough.

VOA: standard.2009.11.16

In Book One alone there are four primary instances of what we can think of as this primary simile dynamic.

仅第一本里就有四个主要的例证,我们可以看作最初的明喻来源的动力。

耶鲁公开课 - 弥尔顿课程节选

I'm not working alone here, but we have three teaching fellows who are affiliated with the course, two of which are here today.

我并不是一个人讲授这门课,有三位助教,与我并肩战斗,今天有两位在这里

耶鲁公开课 - 生物医学工程探索课程节选

It is the mirror that we hold up to the planet in our scientific search for the answer to the ancient question, 'Are we alone?

CNN: What if there's somebody else out there?

No wonder we ask ourselves: are we alone?

UNESCO: Open Access to Scientific Information

We strongly believe that the way to do that is to take a balanced approach -- and we are not alone.

WHITEHOUSE: Press Briefing