摘要： What is the average of the overseas investment on one project in the past four fairs? A. 0.00380 billion. B. 0.00529 billion. C. 0.00513 billion. D. 0.00397 billion. [答案解析] 本文主要讲国际贸易和投资洽谈会扩展了各国之间的经济联系.引起全世界的广泛关注.

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