克朗凯特说他从来没有主持过让他完全满意的一档新闻广播。
Cronkite said he never anchored a single newscast that left him fully satisfied.
Nass曾经主持过这样一个实验，要求参与者们用计算机完成一些任务。
He conducted experiments where participants had to perform some tasks on computers.
由于过去只协助主持过综艺娱乐节目《今日秀》，很多评论家认为她不够庄重严肃，不能胜任黄金档新闻主播一职。
Some critics judged her by her past career as a co-host on the more casual, entertainment-based Today Show. They argued that she was not serious enough for the job of primetime news anchor.
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