•He wrote to me last week regarding a business proposition he thought might interest me.他上周写信给我，提出一项他认为我会感兴趣的提案。

•I've put my proposition to the company director for his consideration.我已将我的提议交给公司主管考虑。

•They were debating the proposition that 'All people are created equal'.他们正就“人人生而平等”这一命题展开辩论。

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•I was propositioned by a complete stranger.一个素不相识的人提议想和我上床。