Language Point 17

Concrete ways of increasing creativity: (Para. 5)
concrete: a. of or relating to a material thing or group of things as things rather than to an idea
I understood her lecture because she used concrete examples.

由于她运用了具体的事例，所以我能听懂她的讲座。
The concept he introduced was not easy for us to understand, as his thought was not followed by concrete facts.

他所介绍的概念对我们来说不容易理解，因为他没有运用具体的事例来说明他的观点。