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to replace; to substitute; to change (clothes, batteries); to renew
to exchange; to interchange; to renew
to substitute (person, staff member, player, etc.)
古いパソコンを新しいのに替えた。
I replaced my old computer with a new one.
切れた電球を新しいものに替える必要がある。
I need to replace the light bulb.
場所を替えて静かなカフェで話し合おう。
Let's change places and talk.