transition ·noun
Definition: when something changes from one system or method to another, often gradually Level: C2
美国医疗保健系统正在经历一场艰难的转型。
The American healthcare system is undergoing a difficult ___transition.
成立了一个特别委员会来管理向新软件平台的过渡。
A special committee was formed to manage the ___transition to a new software platform.
选举后权力的和平交接是政治稳定的一个标志。
The peaceful ___transition of power after the election was a sign of political stability.