But this was not always the case. Visitors to the Smithsonian's National Museum of American History can see two exhibits dealing with the early years of the AIDS crisis.

VOA: special.2011.06.15

European governments have taken stronger action against genetically modified foods than is the case of the American government and there is a very interesting political history to this.

与美国政府相比,欧洲政府,实施了更强硬手段来,限制转基因食品,而这其中包含了有趣的政治历史问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And these case studies have happened over history.

这些个案研究曾在历史上得到多次验证

耶鲁公开课 - 心理学导论课程节选

We have only hired one Yale student so far, we're too tiny to--so we're not hiring, in case you wonder It was a student in this class that we hired, but again, that's all history.

至今，我们只雇佣过一个耶鲁的学生，我们太小了所以不需要雇佣别人，以免你困惑,那个学生就是在我教的班上的，故事就是这样。

耶鲁公开课 - 金融市场课程节选