但同时该机构也可能不能长期按兵不动，以免通胀预期上升到一个危险的程度，最终迫使其使出强硬手段，在付出极大经济代价的情况下去遏制通胀。
But it cannot wait too long, lest inflation expectations drift to a dangerously high level, forcing the Fed to move aggressively – and at the cost of considerable economic pain – to wring inflation out of the system.