boom extension

例句：

1. 1. The boom in the construction industry has led to a significant increase in demand for skilled labor.
   建筑行业的繁荣导致对熟练劳动力的需求大幅增加。
2. 2.The company's stock price surged after the announcement of its new product line.
   公司宣布推出新产品线后，其股价飙升。
3. 3.The economy is experiencing an expansion phase, with businesses expanding their operations and investing more in research and development.
   经济正处于扩张阶段，企业正在扩大运营并增加在研究和开发上的投资。