Incremental is used to describe something that increases in value or worth, often by a regular amount.
例句
...our ability to add production capacity at relatively low incremental cost...我们以相对较低的边际成本增加产能的能力We are seeking continuous, incremental improvements, not great breakthroughs.我们在寻求持续的、渐进的改善,而不是重大的突破。
英英词典释义
Adjective
1. increasing gradually by regular degrees or additions;
"lecturers enjoy...steady incremental growth in salary"