社会无法发展出有效、低成本的合同执行机制,是历史上停滞和当代第三世界欠发达的最重要根源。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
浮动汇率并非解决所有经济问题的万能药,但它们可以提供一种有用的调整机制。
I'm stronger than I thought.