margin call
补充保证金通知
增收保证金
征收保证金的要求
例句与用法：
Please write on both sides of the paper, and don't write in the margin.
请在纸的正反两面书写，但不要写在四周的边上。
The computer has been programmed (to calculate the gross profit margin on all sales).
计算机已输入了程序指令(以计算各项销售的毛利率).
There was a nice red tick in the margin.
边上打了一个漂亮的红勾。
He left early and caught the train by a good margin.
他很早动身，有充裕的时间赶上火车。
Leave a good safety margin between your car and the next.
要在你的汽车和另一辆车之间留出一段足够的安全距离。
The little boy likes to make notes in the margin of books.
小男孩喜欢在书页空白边上做笔记。
He beat the other runners by a margin of ten seconds.
他比其他运动员早10秒钟到达终点。
词形变化：
形容词: margined | 动词过去式: margined | 动词过去分词: margined | 动词现在分词: margining | 动词第三人称单数: margins |