试题题干
John Maynard Keynes believed the government could enhance the development of economy by（）.
参考答案
正确答案：
试题解析
John Maynard Keynes believed the government could enhance the development of economy by controlling spending and taxes。
约翰·梅纳德·凯恩斯认为政府可以通过控制消费和税收来提高经济发展。