学习资料
[意 思]n. 边,边沿,边缘
[例]  We came to the margin of the wood.
我们来到树林的边缘。
n. 页边空白,栏外
[例]  He made some notes in the margin.
他在页边空白处做笔记。
n. (时间,花费上保留的)余地,余裕
[例]  We allowed a margin of twenty minutes in case the bus was late. 我们预留二十分钟宽裕时间,以防汽车晚点。
n. 利润,赚头
[例]  This price will allow a good margin of profit. 这一价格可获厚利。
vt. 加边于,成为……的边
[例]  The shore was margined with foam. 岸边都是泡沫。