theory of economizing

例句：

1. 1.The theory of economizing has been widely applied in various industries.
   经济节约理论已被广泛应用于各个行业。
2. 2. This theory of economizing helps businesses to reduce their expenses.
   这一经济节约理论有助于企业减少开支。
3. 3.The theory of economizing emphasizes the importance of resource allocation and efficiency.
   经济节约理论强调资源分配和效率的重要性。