economies of scale

例句：

1. 1. The company's decision to expand into new markets is a testament to its economies of scale.
   该公司决定进入新市场，这是对其规模经济的证明。
2. 2. The success of the project hinges on the ability to exploit economies of scale.
   该项目的成功取决于能否利用规模经济。
3. 3. By reducing overhead costs and increasing efficiency, the company can achieve economies of scale.
   通过减少间接费用和提高效率，公司可以实现规模经济。