求名词ethics和moral的区别

aqyzwangyuanUID: 2719220

韦氏词典moral
1 a : the moral significance or practical lesson (as of a story)  b : a passage pointing out usually in conclusion the lesson to be drawn from a story
2 plural    a : moral practices or teachings  : modes of conduct  b : ETHICS
3 : MORALE
ethics
1 plural but singular or plural in construction   : the discipline dealing with what is good and bad and with moral duty and obligation
2 a : a set of moral principles  : a theory or system of moral values  *the present-day materialistic ethic*  *an old-fashioned work ethic* —  often used in plural but sing. or plural in constr.  *an elaborate ethics*  *Christian ethics*  b plural but singular or plural in construction   : the principles of conduct governing an individual or a group  *professional ethics*  c : a guiding philosophy  d : a consciousness of moral importance  *forge a conservation ethic*
3 plural   : a set of moral issues or aspects (as rightness)  *debated the ethics of human cloning
—————————————————————————
那这两个词运用的地方有区别吗？
另外， 有所谓 个人道德 和 公众道德 的区分吗？
谢谢。