Finally, the experiment presents the possibility that such neurons could be used in experimental treatments that currently use fetal brain cells, sidestepping an uncomfortable ethical issue.
最后，这项实验提出了这样一种可能性，即这种神经元可以用于目前使用胎儿脑细胞的实验治疗，避开了一个令人不安的伦理问题。
There's also the ethical issue of low pay for the workers who grow our imported flowers.
同样需要关注的还有进口花卉其种植工人的低工资问题。
There's also the ethical issue of low pay for the workers who grow our imported flowers.
同样需要关注的还有进口花卉其种植工人的低工资问题。
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