Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/d763d9f59a620ae20b4a8ef096fc4f56.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 perfect competition英英字典_perfect competition剑桥英语解释_perfect competition柯林斯英文解释_淳朴汉英词典
1. N a market situation in which there exists a homogeneous product, freedom of entry, and a large number of buyers and sellers none of whom individually can affect price 完全竞争[economics]