A mark-up is an increase in the price of something, for example the difference between its cost and the price that it is sold for.
英漢詞典釋義
n.
(在成本的基礎上)加價;利潤
price markup加價
英英詞典釋義
Noun
1. the amount added to the cost to determine the asking price
2. detailed stylistic instructions for typesetting something that is to be printed; manual markup is usually written on the copy (e.g. underlining words that are to be set in italics)