求翻译：“经济学理论并没有提供一个可直接用于政策的无可争议的结论。它是一种方法而不是一种教条，它是一种思维工具，可以帮助掌握了这种工具的人得出正确结论”。——约翰·梅纳德·凯恩斯是什么意思？

"Economic theory does not provide a policy can be used directly for the undisputed conclusion. It is a method rather than a dogma, it is a thinking tool that can help people to master this tool to draw the right Conclusion. " - John Maynard Keynes

"Economic theory does not provide a policy can be used directly the indisputable conclusions. It is one of the ways and is not a dogma, it is a way of thinking tools that can help with this kind of tools the people come to the right conclusion". - John Maynard Keynes

“The economic theory has not provided to be possible to use in the policy directly the indisputable conclusion.But it is one method is not one kind of doctrine, it is one kind of thought tool, might help to grasp this kind of tool person to draw the correct conclusion”.- - John · Maynard · Keynes

"Economic theory does not provide an indisputable conclusion that can be used directly in policy. It is a method, not a dogma, it is a thinking tool that can help you master the tools people reach the right conclusions. " --John Maynard Keynes

"The economics theory has not offered no very direct conclusion beyond controversy used for policy. It is a method instead of a kind of dogma, it is a kind of thinking tool, can help the person grasping this kind of tool to draw the correct conclusion ". --John Menard Keynes