exists and is an alternate of . It refers to the difficulty in convincing people of something using only words compared to the use of action. Getting someone to believe this [thing] can do [whatever] is a lot easier when the thing actually does do whatever it is claimed to do.
Definition of margin for English Language Learners. : 1  the part of a page that is above, below, or to the side of the printed part. : 2  the place where something (such as a piece of land) stops : the edge of something. : 3  an extra amount of something (such as time or space) that can be used if it is needed.
What is 'Net Profit Margin'. Net profit margin is the ratio of net profits to revenues for a company or business segment . Typically expressed as a percentage, net profit margins show how much of each dollar collected by a company as revenue translates into profit. The equation to calculate net profit margin is: net margin = net profit / revenue.