詞彙 proviso 在中文的含義

The contract included a proviso that the work must be completed by year-end.

合同中包含一項但書，規定工作必須在年底前完成。

He agreed to the terms, with the proviso that he could review them later.

他同意了這些條款，但有一個條件，即他可以稍後審查它們。