She had no concrete reason to put him on the list.
We need Bible story books for some concrete physical reasons.
Pratt, who began the spring 2 for 27, has concrete reason to worry.
For no concrete reason I suddenly wanted her to come along.
"There really is no concrete reason for employees to be excluded from gambling."
In truth, there may not be a concrete reason for your depression.
Many people also have concrete reasons to emphasize the positive.
"Do you have concrete reason to suspect something is wrong?"
But you seem to lack any concrete reason for your stance.
It's not enough being new and shiny, there needs to be a concrete reason that you can't live without it.