经济学
秘密贸易
If it is illegal and, therefore, a clandestine trade, how do you know the dollar amount?
CNN: Opinion: Illegal antiquities trade funds terrorism
Now that deal has run into trouble, complicated by new concerns about North's pledge to develop, test and export ballistic missiles - its first official admission of a hitherto clandestine trade.
BBC: Setting store by military might
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。