I have no idea but good luck
It's a nonessential word, clause, or sentence added to an already grammatically complete sentence. It's most commonly set off by brackets, but it can also be set off by commas or dashes.
Example:
My mother went to the supermarket and picked up some strawberries (my favorite fruit) earlier today.
Answer:
verbals
Explanation:
we don't always know what people are saying
This means that they cannot feel any pain at all