词典释义：
the edge or border of something
边，边沿，边缘
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the eastern margin of the Indian Ocean 印度洋的东部边缘
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figurative 〈喻〉they were forced to live on the margins of society .他们被迫生活在社会的边缘。
the blank border on each side of the print on a page
页面的空白边。
a line ruled on paper to mark off a margin
页边线。
an amount by which a thing is won or falls short
（超出或不足的）数量
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they won by a convincing 17-point margin .他们以超出１７分的好成绩获胜。
an amount of something included so as to be sure of success or safety
（为确保做成某事或安全而留出的）余地
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there was no margin for error .没有容许出现差错的任何余地。
the lower limit of possibility, success, etc.
（可能性，成功等的）可容许的最低标准，下限
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the lighting is considerably brighter than before but is still at the margins of acceptability .灯光比以前要亮不少，但仍很勉强。
a profit margin
盈余，利润。
【财政】 保证金，押金；定金。
〈澳／新西兰〉 （基本工资以外的）责任增薪。
provide with an edge or border
给…加上边
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its leaves are margined with yellow .它的叶子镶上了黄边。
〈古〉 页边做注释或总结。
deposit an amount of money with a broker as security for (an account or transaction)
（账户，交易）预付定金；交押金
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[as adj.
margined ]a margined transaction.预付定金的交易。
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margin of error an amount （usually small） that is allowed for in case of miscalculation or change of circumstances （可容许的）误差，（可忽略不计的）误差
"late Middle English： from Latin
