(1)边(沿，缘)(edge or border around sth)[U]：the～of a pool/a lake/a pond/a stream/a forest 池/湖/塘/溪/林边;the melting～s of a glacier 融化的冰川边沿;〖同〗rim，verge;〖反〗centre，middle;

(2)页(白)边，页边空白(blank space round the printed or written matter on a page)[C]：leave a wide/narrow～留出宽/窄的页边;put a mark in the～在页边做个记号;write notes/words/comments in the～在页边做注释/写字/做评注;An inch of～is left on all sides of the page. 在该页(纸)的四边留出一英寸宽的边。〖同〗rim，verge，brink;〖反〗centre，middle;

(3)差量(数)(amount by which sth is higher or lower or different from the other)[C]：a wide～between producers' and consumers' price/winner and loser 生产价和消费价的巨大/胜败双方比分的巨大差距;The vote was 54 to 34，a～of twenty.票数是54对34，相差20票。win by a wide～以绝对多数获胜;win by a～of 345 votes多345票获胜;win by the small～of 5 seats以五席的微弱之差获胜;The mayor was elected by a narrow/comfortable～.市长以微弱/绝对多数当选。

(4)余地(裕)(amount allowed beyond what is needed)[C]：What is the～of safety? 安全距离是多少? leave a good safety～between cars 在车与车之间留出足够的安全距离;catch a train by a comfortable～有充裕的时间赶上火车;There is no～for error in his plan.他做计划没留任何误差余地。〖同〗safeguard，allowance;

(5)盈余，利润(difference between the cost of buying and price of selling)[C]：In some business the profit～seems to be enormous/to be very low.一些企业利润似乎极高/很低。Many small companies operate on very narrow/on tight～s.许多小企业以微利/小利经营。

→′marginal adj 边缘的，页边空白的;′marginally adv稍微地;′marginalize，-ise v 视为不重要;͵marginali′zation n 使脱离社会发展进程;

【辨异】margin 与border和 edge的区别见BORDER。