After all, World War II is widely thought to have helped lift the global economy out of the Great Depression. But, at least since Keynes, we know how to stimulate the economy more effectively, and in ways that increase long-term productivity and enhance living standards.
人们以往认为战争有利于经济。毕竟，很多人认为第二次世界大战帮助全球经济摆脱了大萧条。但是，我们至少从凯恩斯时代以来知道如何更为有效地刺激经济，而且其方法也提高长期的生产效劳和提高生活水平。