incremental lines

例句：

1. 1. The company's revenue has been incremental over the past year.
   公司过去一年的收入是逐渐增加的。
2. 2. The project is designed to be incremental in its implementation.
   该项目的设计旨在逐步实施。
3. 3. The economy is incremental in its growth, meaning it grows at a steady pace.
   经济增长是渐进的，意味着它以稳定的速率增长。