Thus the open door to america--for centuries the gateway of opportunity for countless millions--was partially closed . 这样,敞开着的进入美国的门户--几个世纪以来对无数人的机会之门--部分地被关闭了。
I had been to a few of these parties because i wanted to see the inside of some of the washington mansions i had heard so much about . 我去过几次这样的晚会,因为我想看看华盛顿那些负有盛名的高大门户的内部风光。
Knowledge organization of the subject information portal 学科信息门户的知识组织
Lists topics for working with the project portal 列出有关使用项目门户的主题。