市场不灵指价格体系的不完备性它阻碍资源的有效配置主要表现为外部性和不完全竞争
Market insensitivity refers to the incompleteness of the price system, which hinders the effective allocation of resources and is mainly manifested as externalities and imperfect competition
以上为机器翻译结果，长、整句建议使用 人工翻译 。