What's wrong with the following phrases?
In conclusion, let me end with...
An ATM machine dispenses money...
I want to reiterate by saying again...
We need a PIN number...
His IELTS score was an unexpected surprise...
AI is a new innovation that will change everything...
We like to combine together music from China and Vietnam...
The issue with all of the above phrases is they are verbal redundancies (also called pleonasms or, in casual usage, "tautological phrases" 😎).
These occur when words or phrases unnecessarily repeat the same idea, making the expression circular or superfluous. They're common in English for emphasis, but they're logically uninformative.
Avoid them in your IELTS Writing Tasks!