For Ubuntu you can choose to try it out (run the Live CD) or just immediately install the distribution.

对Ubuntu来说你可以选择尝试它(运行liveCD)或者立即安装它。

youdao

One solution would be to use a "live" Linux distribution such as Knoppix, which can be run directly from CD. This is certainly viable for occasional use, but it has a number of serious drawbacks

一个解决方案就是使用“活动的”Linux 发行版，如 Knoppix，它可以直接从 CD 运行。

youdao

She and her husband, together for three years, chose not to live together first, and they both see their vows as the beginning of an entire lifetime, not a test run.

她和她的丈夫，相互交往有三年了，他们首先选择不同居，他们都视婚姻誓言为人生新的开始，而不选择试婚。

youdao

The government claims it is unfair for people to live in council-run homes that are too big for their needs.

BBC: 'Bedroom tax': Carer criticises housing benefit cut

Certain ones, like This American Life, are available free for the first week after they run live.

FORBES: Apple Jacked Up My Podcasts. What's Next?

And, you know, I always ran for the United States Senate and would never have the courage to run for governor or mayor, because they know where you live -- (laughter) -- and you really have to get things done.

WHITEHOUSE: President Obama Meets With Newly Elected Governors