他计划在两年内完成所有贷款的还款。

He plans to complete all the ___repayments for the loan within two years.

他的行为是对之前所受羞辱的报复。

His actions were ___payback for the previous humiliation.

这项教育投资的回报将在未来几年显现出来。

The ___benefits of this educational investment will show in the coming years.