A bit of context.
A Maker Vault is a tool where users can deposit their crypto as collateral and mint Dai against it. This action means the user opened a Maker Vault.
They can repay their Dai loan and redeem their collateral. This means the user closed the Maker Vault.
2/
有点背景。
Maker Vault是一种工具，用户可以在其中存放密码作为抵押品，并对其进行加密。此操作意味着用户打开了Maker Vault。
他们可以偿还贷款，赎回抵押品。这意味着用户关闭了Maker Vault。
2/