1. 公共关系（工作），公关活动（缩略形式为PR）
Public relations is the part of an organization's work that is concerned with obtaining the public's approval for what it does. The abbreviation PR is often used.

2. 公众观点；公众形象
You can refer to the opinion that the public has of an organization as public relations .

1. a promotion intended to create goodwill for a person or institution

Synonym: PR