1.Imagine what a great project that would be, to rebuild America.
想象一下，那将是一个重建美国的伟大项目。
2.It has to be about who is strong enough, focused enough, creative enough and unifying enough to get Americans to rebuild America.
主题应该是：谁足够强大，足够专注，足够有创造力，谁能够将美国人团结起来为重建美国而努力。
3.and a new initiative to rebuild America's roads, rails, and runways that will put folks to work and make our country more competitive.
并提出新的措施来重修美国的公路，铁路和机场跑道，以此来推进人民就业和使我们国家更具竞争力。