该环保团体的一位发言人发表了一份声明。

A ___spokesperson for the environmental group issued a statement.

当地社区发言人在会议后向媒体发表了讲话。

The local community ___spokesperson addressed the media after the meeting.

在新闻发布会上，公司发言人就新产品回答了问题。

During the press conference, the company ___spokesperson answered questions about the new product.