protection net短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 防御网 Meanwhile, library will form a mental protection net for university students with its good service and active reading activities. 图书馆充满人文关怀的服务理念及其引导的健康向上的阅读活动为大学生构筑了一个心理健康保护网。 kns50.chkd.cnki.net He would keep the fiscal rule and the social- protection net, he says. 未来将维持财政法规和社会保护网，他表示。 ecocn