PR Agency: Specialist company which can offer PR support to an organization without its own PR staff.

能提供公关建议和为一个没自己公关团队的组织提供支持的专业公司。

I just want all of you to know that we have not been hired by Carrefour and we are not their PR agency to manage their present crisis.

在此我要通知诸位的是，我们并未受聘于家乐福，处理他们此次的危机公关。