她是电视新闻广播领域有20年经验的老手。

She's a 20-year ___veteran of TV news broadcasting.

在我工作的学校，有两位经验丰富的英语老师。

In the school where I work as an English teacher there are two ___veteran teachers of English.

作为软件行业的资深人士，他见证了许多技术变革。

As a ___veteran in the software industry, he has seen many technological changes.