替换 (tì huàn): to exchange; to replace; to substitute for; to switch

My phone screen is broken; I need to take it to the shop to replace it with a new one.

The team substituted two players in the second half, hoping to change the passive situation on the field.

Several clauses in this contract were replaced with wording more favorable to Party B.

The teacher asked me to replace the misspelled characters in my essay with the correct forms and copy it again.

Because the originally cast actor fell ill, the director temporarily replaced the lead, and the audience didn't notice.