“逐步形成”常见的英文表达有 “gradually take shape”、“come into being step by step” 或 “develop gradually”。以下为具体示例：
Gradually take shape：强调事物在发展过程中逐渐展现出明确的形态或结构。
The new policy system has gradually taken shape over the past few years.（过去几年里，新的政策体系已逐步形成。）
Come into being step by step：侧重于描述事物从无到有，通过逐步的过程而产生。
A new cultural trend has come into being step by step in this region.（在这个地区，一种新的文化潮流正逐步形成。）
Develop gradually：更宽泛地表达事物在时间推移中逐渐发展、变化并最终形成某种状态。
Through continuous exploration and practice, a unique management model has developed gradually in the company.（通过不断的探索和实践，公司内部逐渐形成了一套独特的管理模式 。）