This time, with the economy in a bad recession, some guests may not be as wealthy as they were.

VOA: special.2009.01.19

There may be bad reasons but there's no wrong answers.

有不充分的理由,但没有错误的理由

耶鲁公开课 - 博弈论课程节选

And we do our best, however good or bad that may be.

我们会尽力，不论有多好或多糟。

耶鲁公开课 - 死亡课程节选

As bad as those chemicals are, nicotine may be the most threatening of them all.

VOA: special.2010.03.09

These kinds of fats are not necessarily bad, and so things like olive oil in the diet tends to be protective and may explain some regional variations in rates of heart disease.

这些脂肪就不一定有害,所以饮食中橄榄油之类的对身体是有益的,这也解释了地域间心脏病发病率的差异

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选