To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
This wool coat collar has an obvious black dot, estimation is dyeing problem, I gave up a return, because the coat transport back to China from America. But the problem is so obvious how qc did not find?