Profits were on course to bounce back to $55 billion, after combined losses for Wall Street's finance houses of $43 billion in 2008.
加上2008年华尔街金融公司损失的430亿美元,今年反弹到盈利550亿美元。
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The vibrations can cause houses to slide off their foundations, and can make buildings contract, expand, shake from side to side, and bounce up and down.