Question

What is the difference between "focus on" and "focus in". Which one is correct regarding grammar?

Answer 1

Focus on is better,because in grammar is more used while focus in don’t have a specific meaning.

Answer 2

Answer by YourHope:

Hi! :)

The difference between "focus on" and "focus in" is that focus on literally means to focus on something. You are putting all your attention on a specific thing, while focus in is incorrect.

:)