moral issue

基本解释

This is not a moral issue, but a market failure.
这无关道德问题，只是销售上的失败。
It is a moral issue because decisions by the present generation will have a profound effect on future generations.
之所以这是一个道德问题是因为我们这一代的决定将对我们后代的未来产生深远影响。
On stem cells, he says he changed his mind in 2004, after a scientist told him there was no moral issue involved because the embryos used in the research would be destroyed anyway.
对于干细胞研究的态度，他说在2004年，某位科学家告诉他这项研究不涉及到道德问题，因为用于研究的晶胚无论如何都将被销毁之后，他的看法有了改变。

Some of them considered slavery a moral issue.
I just think that that's the whole moral issue is that there was no consulting of the cabin boy and that's what makes it the most horrible is that he had no idea what was even going on.
我只是觉得，最大的道德问题,就是根本没人征得过派克的意见,最可怕的是,他当时是完全被蒙在鼓里的。
耶鲁公开课 - 公正课程节选
But I don't have any moral issue with plastic surgery if other people choose to have it.
有的人可能在道德层面上反对整容，不过我没有这种想法。
整容是个人自由 - SpeakingMax英语口语达人

Leaking, in short, is not a moral issue, but can be a useful public relations technique.
NPR: Looking at President Bush, Seeing an 'Impostor'