I think the implications are "don't wear a gown" and "wear a plain (this is a business event, not a social one) knee-high dress," since this describes the vast majority of dresses that turn up when I search for…
I think the implications are "don't wear a gown" and "wear a plain (this is a business event, not a social one) knee-high dress," since this describes the vast majority of dresses that turn up when I search for…