The central concern of economics is expressed in the concept of scarcity.
经济学关心的中心问题是以稀缺的概念表示出来的。
Campus environmental construction and building design concern the change of modern education concept.
校园环境建设和建筑设计与现代教育理念变革相关。
Campus environmental construction and building design concern the change of modern education concept.
校园环境建设和建筑设计与现代教育理念变革相关。
应用推荐