例句：
He made a small fortune in the property boom.
他在房地产繁荣期发了一小笔财。
Living standards improved rapidly during the post-war boom.
在战后那段繁荣昌盛的时期里，生活水平得到了迅速提高。
The technology boom sent share prices into the stratosphere.
科技热潮使得股价飙升到极高的水平。
