When the show first aired, some of its creators were not sure it would last one season.

VOA: special.2009.11.27

But, we know for example that magnesium, when it reacts, it reacts with both of its electrons, not just one of its electrons.

但是我们知道，拿镁来说，当它发生反应的时候，并不只是，某一个电子反应，而是两个价电子都发生反应。

麻省理工公开课 - 固态化学导论课程节选

But at least at the beginning, when we approach the book, we should stay on its surface, not dig at least initially too deeply.

但至少在一开始，当我们着手阅读时，我们应该要停驻于其表面，不要一开始就深探。

耶鲁公开课 - 政治哲学导论课程节选

Independent Insurance, set up by the mercurial Michael Bright in 1987, seemed to do well when its competitors did not.

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When its prey did not drop, Greenpeace reloaded and fired again.

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Coca-Cola lost a great salesman when it did not renew its endorsement deal with Kobe Bryant for its Sprite brand when it expired at the end of 2005.

FORBES: What Coca-Cola Learned From Kobe Bryant