Because of that, over time he realized that we were abusing the ocean, but people up there didn't know that because they had never seen what was underwater."

VOA: standard.2010.06.18

and if you've never been, don't do this, it's largely because there are these very sensitive moving parts and there are relatively few moving parts left in today's computers.

如果你没做过，不要做这些事情，主要是因为电脑里面有一些很敏感,且高速运转的部件,以及相对不运转的部件。

哈佛公开课 - 计算机科学课程节选

Aren't there people who weren't born within a culture and grew up and who never really spoke a language though they were physically normal?

存不存在这样一种人,他们在一种文化下出生和成长,但却从未说过一种语言,尽管他们在生理上是正常的

耶鲁公开课 - 心理学导论课程节选

We don't know, because there's never been clarity around the financial strings pulled by Romanov.

BBC: Rangers' recovery lesson for Hearts

You can never say there won't be fraud, but until the member states adopt the proposals they agreed to in April 2006, which asks them to take more accountability, the Court of Auditors will never give a positive statement of assurance.

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For politicians, they don't want to think big because if they never get there, then they'll be accused of overselling and coming up short, or having to back down from a big announcement.

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