作为在职者, 他在这个问题上易受攻击.He, as the incumbent, is vulnerable on this.晚间新闻将不会出现在职者被卷入麻烦的报道.Incumbents have no trouble getting on the evening news.对于在职者来说“变化”和“颠覆性质的创新”一样一直以来确实都是令人痛苦的.Change will indeed be painful for incumbents...

“在职者”的英语可以翻译为：incumbent ...