词汇 proviso 在中文的含义

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

合同中包含一项但书，规定工作必须在年底前完成。

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

他同意了这些条款，但有一个条件，即他可以稍后审查它们。