阶段 (jiē duàn): ขั้นตอน

This new project of our company is still in its initial stage, and many details need further discussion.

Learning a foreign language usually goes through several stages: beginner, intermediate, and advanced, and each stage has different difficulties.

At different stages of a child's growth, parents need to adopt different parenting methods.

After three years of effort, we finally completed the initial stage of this project.