And, sad to say, at least one of our tests produced an output that we were unhappy with.

很不幸的是，至少一个测试输出我们,是不满意的，它花费了太长时间。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now unfortunately, the same companies are not around-- the companies that we had in 1871, hardly any of them even exist anymore.

不幸的是,与1871年的那些公司同类的公司,已经不存在了,这些公司几乎都不存在了

耶鲁公开课 - 金融市场课程节选

.. I guess, unfortunately, it is for... there needs to be a number put somewhere, like, I'm not sure what that number would be, but I do agree that there could possibly be a number put on the human life.

我觉得，不幸的是。,有时确实需要标价，不过我不确定具体数字，但我确实认同,人的生命也许可以被标价。

耶鲁公开课 - 公正课程节选