转载需要注明出处:http://blog.csdn.net/minimicall?viewmode=contents,http://cloudtrade.top Margin:保证金 英文解释:http://www.investopedia.com/terms/m/margin.asp 我们把它贴上,并加上我个人的翻译.(翻译不好莫怪) DEFINITION OF 'MARGIN'(margin的定义) 1. Borrowed money that is used to purchase sec