Negative KW's - Plurals
I understand I need to add plural negatives to block all irrelevant traffic.
So my approach is three pronged, let's say I want to block the KW car I use these negatives:
However after my neg KW's are uploaded, one of the plurals (either cars or car's) seems to get deleted.
Is it safe to assume that we don't need to use the apostrophe version?
So just by having car and cars, it will automatically block car's?