Public Relations is the discipline which looks after reputation, with the aim of earning understanding and support and influencing opinion and behaviour.
Public relations (PR) is the practice of managing and disseminating information from an individual or an organization (such as a business, government agency, or a nonprofit organization) to the public in order to influence their perception.
公共关系，或称公众关系、机构传讯，通常简称PR或公关，是指有关著名人物、商业机构、政府、非牟利机构等各种组织，通过运用各种信息传播方式与其内外公众进行双向沟通，在组织与公众之间建立相互了解和依赖的关系，以树立良好组织形象的活动。