勾销

nǐ yǒng yuǎn bù néng bǎ guò qù zhí jiē gōu xiāo

你永远不能把过去直接勾销。

You can never wipe out the past.

měi guó dā ying gōu xiāo shù shí yì měi yuán de zhài wù

美国答应勾销数十亿美元的债务。

The United States agreed to write off debts worth billions of dollars.