"The first stage, which is kind of concrete, they try to do something where there is some measurement involved.

VOA: standard.2010.08.10

The dividend is something much more concrete.

股利则更加具体

耶鲁公开课 - 金融市场课程节选

because your mind is already in that mode of bringing ideas from concept to something a little bit more concrete.

因为你的大脑已经处在能把概念转化为比较具体的实物的模式中了。

英语写作：技巧 - SpeakingMax英语口语达人