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(personnel) change; transfer; relocation; reassignment; reshuffle
来月から大阪への異動が決まった。
My transfer to Osaka starting next month has been decided.
人事異動の発表が今週あるらしい。
Apparently there will be a personnel transfer announcement this week.
異動先の部署で新しい仕事を始める。
I will start new work at the department I'm transferring to.