董事会将评估所有关于新产品开发的提案。

The board will evaluate all ___proposals for new product development.

他在山顶上单膝跪地，向她提出了求婚。

He got down on one knee and made his ___proposal to her on the mountain top.

我们团队正在准备一份详细的商业计划提案。

Our team is working on a detailed business ___proposal.