Some of the study's findings raise ethical concerns.

其他的研究结论引**理担忧。

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Ethical concerns aside, such a trial would take decades.

姑且不谈道德顾虑，这样的试验需要花费数十年时间。

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What are the pressing ethical concerns of salespeople today? In what areas do they seek assistance from management?

今天哪些销售领域迫切需要道德规范化？在那些领域需要销售管理方面的协作？

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"Definitely with something as relevant in our world as genetic research, there are serious moral and ethical concerns and responsibility that is necessary.

VOA: standard.2010.06.09

Embryonic stem cell research has repeatedly raised ethical concerns and human eggs are a scarce resource.

BBC: Embryonic stem cells: Advance in medical human cloning

But the ethical concerns go deeper when Kenyon finds a patient who took part in the trial.

BBC: NEWS | South Asia | Drug trials outsourced to India

While the technology to perform it has been available for some time, ethical concerns have delayed the implementation of such procedures.

CNN: Face transplant woman thanks team