求翻译：　摘要：公益广告是向公众传达某种文明道德观念，以提高他们的文明程度，获取良好的社会效益的一种广告。公益广告作为宣传的一种手段，承担着重大的责任：宣传社会公德、职业道德、家庭美德，净化社会环境，营造一个良好的社会气氛和声势。从某种意义上说，一个城市，一个地区，一个国家，公益广告的水平是这一城市、地区、国家民众文化道德水准和社会风气的重要标志。是什么意思？

Abstract: The public service ads to convey to the public morality of a civilization, in order to improve their level of civilization, to get a good social advertising. Public service as a means of propaganda, bear great responsibility: promotion of social morality, professional ethics and family val

Summary: public service advertising is a message to the public a certain civilization moral concepts, in order to enhance their level of civilization, obtain good social benefits of an advertisement. As a public service advertising campaign, a means have a significant responsibility: advocacy, profe

　Abstract: The public service advertizing is transmits some kind of civilized morality to the public, enhances their civilized degree, gains the good social efficiency one kind of advertisement.The public service advertizing took the propaganda one method, is undertaking the significant responsibili

　Abstract: public service announcements are communicated to the public some moral values of civilization, to raise their level of civilization, gets good social advertising. Public service ads as a means of propaganda, bear the great responsibility: promotion social ethics, professional ethics and f

　Abstract: public service announcements are communicated to the public some moral values of civilization, to raise their level of civilization, gets good social advertising. Public service ads as a means of propaganda, bear the great responsibility: promotion social ethics, professional ethics and f