A few years ago, scientists asked people to describe a past unethical act.

几年前，科学家请人们讲述过去干的缺德事。

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A number of doctors came under suspicion of unethical behaviour.

一些医生涉嫌有不道德行为。

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The same motivation that can push people to exert more effort in a constructive way could also motivate people to be more likely to engage in unethical behaviors.

同样的动机可以促使人们以一种建设性的方式付出更多的努力，也更有可能诱发人们做出不道德的行为。

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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。

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"We hadn't seen something as unethical in a sports competition before, " he said.

BBC: Flavio Briatore

Dr. Ezekiel Emmanuel, one of the study authors and director of the department of bioethics at the National Institutes of Health, says it's unethical for a doctor to suggest a medication that hasn't been proven to work.

CNN: Is your doctor prescribing a placebo?

Access to safe and affordable pharmaceuticals should be a natural right for all Americans and denying it would be unacceptable, unethical, and a threat to the public health.

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