差额，成本与售价间的差额，利润的英文

margin noun

• 差额:    difference; balanc ...
• 成本:    prime cost; cost; ...
• 与:    take part in; part ...
• 售价:    selling price; pri ...
• 间:    space in between; ...
• 的:    4次方是 The fourth po ...
• 利润:    profit