Variation margin
[经] 价格变动押金
🧩 词语组成解析
margin
['mɑrdʒən]
n. 边缘，范围;极限;利润，盈余;（版心外）的空白;
vt. 留边;成为…的边;加边于，围绕;为…加旁注;
🗣️ 情景例句
You've got lots of time to improve your English.
你已经花了好多时间去提高你的英语水平。
What were you doing when I called?
我打电话给你时你在干吗？
Good morning, class.
同学们，早上好。