国际经济学 - 2026 进行中

科目: 国际经济学
级别: V
类别: 大学生
测试题目: 英语
问题示例: Country X can produce either 12 units of wine or 24 units of cloth using the same resources. What is the opportunity cost of producing one unit of wine? 2 units of cloth, 0.5 units of cloth, 12 units of cloth, 24 units of cloth