to phase in
[phrase form: phase]
01
逐步引入, 分阶段实施
to introduce something in stages over time
例子
We 'll phase in the updated training program over the next six months to make the transition smoother for everyone.
我们将在未来六个月内分阶段引入更新的培训计划，以使每个人的过渡更加顺利。
The school board decided to phase uniforms in gradually, starting with the first graders.
学校董事会决定从一年级开始逐步引入制服。
