n.求婚；建议；提议
She had had many proposals but preferred to remain single. 许多人向她求过婚, 但她愿过独身生活。
Various proposals were put forward by the employees for increasing sales. 员工们摆出了各种提高销售额的提议。
proposal作为名词时，后面通常跟带to的不定式和名词。 My proposal to repair the bike.
proposal后引导的that从句里用should或者虚拟现在式。 My proposal is that the bike should (shall) be repaired.
n.(名词)proposal表示“提议,建议”时,其后可接介词短语或动词不定式作定语,也可接that从句作同位语。
proposal所接由that引起的表语从句或同位语从句中的谓语动词须用虚拟语气。
建议
n.反建议
n.对立的建议
