Student or Learner
Let us say that I have mention a materialistic world.
- In such a world is full of people who concerned only with money rather than things of the mind such as religion, or moral beliefs.
I tried to write such a sentence. However, I cannot decide whether I should use 'in' in the sentence or not.
Don't use 'in'.
Add 'are' after 'who'.
Delete the comma.