1. Because these experts are imparting information "beyond the ken"of the layperson. 因为这些专家要向外行人讲授“外行人知识领域之外”的知识。
2. An essential guide for the novice and the seasoned professional, it is also an informative reference for the layperson who is interested in the subject. 一必要指南给初学人和调味专业，给谁有兴趣主题的外行也一讯息丰富参考。
3. In the early 1970s scientists proposed an answer that was not unlike the typical layperson's view: the melt must make the last leg of its upward journey along enormous cracks. 1970年代初期，科学家提出的解答与大众的观念相近，也就是熔体的上行过程中，最后一段必会通过一个巨大裂口。
英英解释
n.
1. someone who is not a clergyman or a professional person
