public affairs

public-affairs的词性：
pl.n.（复数名词）

1. Issues, questions, and responses involving social, economic, governmental, military, scientific, or corporate activities that are of concern to the people at large.
公众事务：涉及到大多数人关心的社会、经济、政府、军事、科学或法人活动的论题，问题和回应

public-affairs的词性：
pl.n.attributive.（定语复数名词）

2. Often used to modify another noun:
用于修饰另一个名词：

a public affairs officer for NASA; public affairs staff.
美国宇航局的公共事务官员；公共事务人员