the business of giving the public information about a particular organization or person in order to create a good impression (the abbreviation for ‘public relations’)公关，公共关系（全写为 public relations）
a PR department/agency/campaign公关部门／机构／活动
The article is very good PR for the theatre.这篇文章有助于加强该剧院的公共关系。🔊🔊
a system that gives each party in an election a number of seats in relation to the number of votes its candidates receive (the abbreviation for ‘proportional representation’)比例代表制（全写为 proportional representation）