一直以来的危险在于：不是何时才是尽头的非常规货币宽松政策将无法对实体经济构成牵引力，并将过多的流动性注入了美国和全球金融市场，从而导致资产泡沫，肆意金融冒险和下一次危机。
The danger all along has been that open-ended unconventional monetary easing would fail to achieve traction in the real economy, and would inject excess liquidity into US and global financial markets that could lead to asset bubbles, reckless risk taking, and the next crisis.