And what keye ' theory was to do was basically to show how that could work and to show what governments could do to try to prop up demand for goods and services and get economies out of rece io and depre io 凯恩斯的理论基本上是要证明如何这才能行得通以及政府可以采取什么行动来促进对商品和服务的需求，使经济摆脱衰退和萧条。
