margin

页边的空白, 边缘, 界限, 余裕, 差数, 差额, 保证金

the boundary line or the area immediately inside the boundary; an amount beyond the minimum necessary; the amount of collateral a customer deposits with a broker when borrowing from the broker to buy securities; the blank space that surrounds the text on a page

加边于, 加旁注于

叶缘