1. 转变;过渡;变革;变迁
Transition is the process in which something changes from one state to another.

2. (从某一状态或活动)转变，过渡(到另一状态或活动)
If someone transitions from one state or activity to another, they move gradually from one to the other.

1. the act of passing from one state or place to the next

Synonym: passage

2. a passage that connects a topic to one that follows

3. a musical passage moving from one key to another

Synonym: modulation

4. a change from one place or state or subject or stage to another

5. an event that results in a transformation

Synonym: conversionchangeover