Business cycles are not merely fluctuations around a deterministic trend; they represent shifts in the trend itself.
            
            
        
        
    经济周期不仅仅是围绕确定性趋势的波动;它们代表了趋势本身的转变。
        Collaboration across industries is key to solving complex problems.
                    The rule of recognition is the ultimate rule of a legal system.
                    有趣的是,你可能会忘记一切,除了人们爱你这件事。