progressive costs

例句：

1. 1. The company has made significant progress in its new product development.
   该公司在其新产品开发方面取得了显著进展。
2. 2. The economy is making progressive strides towards a more sustainable future.
   经济正在朝着更可持续的未来稳步前进。
3. 3.The students are making progressive steps towards better academic performance.
   学生们正逐步朝着更好的学业表现迈进。