We conclude that when presented with a request for private banking, obstetricians have an ethical obligation to explain the lack of proven benefit of this procedure.

我们的结论是，当患者提出私营脐血库的请求时，产科医生有道德义务解释，该程序缺乏已证实的益处。

But those who speak anonymously still have an ethical obligation to be truthful, accurate, and as transparent as possible about conflicts of interest.

但是，这些匿名发表言论的人在有利益冲突的问题上仍要履行力求实事求是、准确无误并尽可能透明的道德义务。

I think it's important to make citizens aware of the importance of these objects and the ethical obligation to preserve them.

我认为，让人们认识到这些文物的意义以及保护文物的道德义务非常重要。

And the law aside we felt an enormous moral and ethical obligation to use the material responsibly.

除此之外，我觉得作为媒体人，我们内心的道德准则要求我们对所用的材料负责。