When there was despair in the dust bowl and depression across the land, she saw a nation conquer fear itself with a New Deal, new jobs, a new sense of common purpose. Yes, we can.
经济萧条是一段时间内，当这样的经济活动普遍增长而造成的一种临时性
Recession is a temporary falling off of business activity during a period when such activity is generally increasing.
