After World War I， some European countries have money problems。 Inflation is very high in Germany。 People pay 3 billion marks for bread。

第一次世界大戰後，一些歐洲國家遇錢幣問題。德國的通貨膨脹率很高。人們為麵包付出了30億馬克。

However， for America， the 1920s are very happy years。 Factories make more things。 People have more money。 There are a lot of nice things on the market。 People think that these happy times are here forever。

但是，對於美國來說，20世紀20年代是非常幸福的。工廠創造更多東西。人們有更多的錢。市場上有很多好的東西。人們以為這樣的幸福時光會一直持續。

In New York， the prices of stocks are going up and up。 More and more people are interested in stocks。 However， these people are not businessmen。 They are normal people。 They buy something that they don’t understand。

在紐約，股票價格不斷上漲。越來越多的人對股票感興趣。但這些人不是商人。他們是普通人。他們買了一些他們不懂的東西（股票）。

These people also don’t have a lot of money。 They borrow money from the banks。 These people buy stocks。 They want to sell them later when the price is higher。 Many people do this。 The prices of stocks go up and up。

這些人並沒有很多錢。他們從銀行貸款。這些人買到股票，想稍後在價格較高時拋售。很多人都這樣做。股價越長越高。

Then October 24， 1929， comes。 It is a day which people later called Black Thursday。 On that day， a lot of people want to sell their stocks。 However， there is nobody who wants to buy them。

到了1929年10月24日。這天是後來被人們稱為“黑色星期四”的日子。那天很多人想賣掉股票，但卻沒有人願意買。

Prices start to go down。 The market collapses。 A lot of people lose all their money。

價格開始下跌。市場崩潰。很多人身無分文。

Many banks and companies close。 Many Americans lose their homes。 They are without work。

許多銀行和公司倒閉。許多美國人失去了家園和工作。