英文词语是ethical，意思是伦理的、道理的，例如：
1.Is it ethical to promote cigarettes through advertising?通过广告推销香烟合乎道德吗？
2.There are certain ethical principles that are basic to all the great religions.某些道德原则在所有主要宗教中都是必不可少的。
3.I have an ethical and a moral obligation to my client.我对我的当事人负有道义上的责任。
