PR
noun uk/ˌpiːˈɑːr/ us/ˌpiːˈɑːr/
(ADVERTISING)
[ U ]公关（public relations的缩写）
abbreviation for public relations
The company's putting out a lot of PR about the new product line. 公司就新产品线展开了大量的公关。
They've decided to hire a PR firm to improve their public image. 他们决定雇用一家公关公司来改善他们的公众形象。
a PR exercise/campaign 公关活动／运动
(VOTING)
[ U ]比例代表制（proportional representation的缩写）
abbreviation for proportional representation
Do you think a system of PR makes elections fairer? 你认为比例代表制会使选举更公正吗？