perceive [同]detect

　　v. ①to understand or think of something or someone in a particular way理解；认为②（fml.）to become aware of（sb. /sth.）；notice; observe意识到；注意到

　　Many students perceive that on-the-job training is more important than college很多学生认为

　　在职培训比大学的学习重要。

　overview

　　n. （fml.）short general description（without unnecessary details）；survey综览；概观；概述

　　Can you give us a quick overview of the history of the bear family?你能给我们简要地介绍一下熊类家族的历史吗？