A number of economic experts worried about the sharp increase in stock prices that followed Hoover's election.

一些经济专家担心胡佛当选后，股价大幅上涨。

Together, the central banks of the U.S., U.K and Japan increased the stock of money in their economies by 3.7 trillion dollars.

各国的中央银行，美国, 英国和日本都一起增加了各自经济的货币存量增加了3.7万亿美金 （人民币约22.2万亿元）。