It's only the second time a potential heir to the throne has married a commoner.

这只是第二次王储与平民结婚。

《柯林斯英汉双解大词典》

It's surely only a matter of time before he is found, isn't it?

找到他只是个时间问题，对不对？

《牛津词典》

It's only a matter of time before they bring out their own version of the software.

他们推出自己的软件只是个时间问题。

《牛津词典》

As always in the World Cup, there can only be one winner and only time will tell whether this time round it's the octopus or the parakeet.

VOA: standard.2010.07.09

With any innovation, it's important not only to launch it properly but also to consider how to sustain it over time.

对于任何发明，重要的不仅仅是,正确的使用它，还要考虑,怎样维护它。

麻省理工公开课 - 媒体、教育、市场课程节选

It's this extraordinary insight that he gives us: we can only read one word at a time, we can only read one line at a time.

这是他告诉我们的非凡的洞察：,我们一次只能读一个词，或是一行。

耶鲁公开课 - 弥尔顿课程节选

"It's the only time in my life I've ever ... wanted to be a man, " Aston said.

CNN: STORY HIGHLIGHTS

Mr. HOFFMAN: (As Jon Savage) It's the only time I can get away for research.

NPR: A Beautiful Movie: 'The Diving Bell and the Butterfly'

It's only the second time such a debate has taken place -- Democratic candidates duked it out in a similar format this past summer.

CNN: The story