"It would be unethical for us to turn our back on these people and not conduct the research that is so desperately needed to develop the drugs to treat these diseases and the vaccines to prevent them in the future."

VOA: standard.2010.02.16

But we know this, in particular, from a series of studies that would be unethical if they were to be done today.

我们知道这点，是通过一系列的实验，出于人道精神,这些实验现在就不能做了。

耶鲁公开课 - 心理学导论课程节选

That's unethical behavior because it -if you keep trading too much, then you cannot possibly make money.

这是不道德的行为,因为,如果你一直过度交易,那你基本不可能赚到钱

耶鲁公开课 - 金融市场课程节选