To Gaston's delighted, his wife has finally overcome her dislike for Gouvernail and invited Gouvernail to visit them again wholly from herself.()

完全竞争条件下，满足资源最优配置的三个条件：消费者效用最大，生产者产出最大，并且这二者同时出现。() 点击查看答案&解析

资产的专用性是产生交易成本的一个重要原因。() 点击查看答案&解析