incentive to(～する動機): The prize is an incentive to work harder. (賞品がもっと頑張る動機となります) - 試験に出る! 英単語検索辞書

incentive to(～する動機): The prize is an incentive to work harder. (賞品がもっと頑張る動機となります)

The prize is an incentive to work harder.