原文:International trade occurs when a country does not have enoug

原文:International trade occurs when a country does not have enough of a particular item to meet its needs.
译文:国际贸易发生在一个国家没有足够的特定项目满足自己的需求。
【正确答案】：改进的译文：当一个国家没有足够的某一特定商品来满足自身需求时，就需要有国际贸易。