1·For years, the U. S. has experienced a shortage of registered nurses.
多年来，美国都面临着注册护士短缺的情况。
2·The U. S. has its own airbase in the country as well.
美国在该国同样有他自己的空军基地。
3·The U. S. has only issued a travel warning for Japan.
美国只发出了对日本的旅游警示。
4·She said the U. S. has made substantial progress over the years.
她提到，多年来，美国已取得了实质性的进展。
5·The U. S. has the leash on Japan so I advice China not to mess with our dog.
在中国有句谚语“打狗也要看主人。” 美国已经拴了皮带在日本，所以我建议中国不要惹我们的狗。
6·U. S. has no moral right to issue any such statements and should be readily ignored.
美国没有权利起草任何声明，他们的声明应该被忽略。
7·More important, the U. S. has become more efficient in its water usage, says Solomon.
更重要的是，美国将有更高的用水效率，所罗门说。
8·The U. S. has been trying to start discussions, instead, on what can be done after 2020.
美国一直在设法开始讨论在2020年之后可以做些什么。
9·The U. S. has given billions of dollars in aid to Pakistan's military and for numerous civilian projects.
而美国已经提供数十亿美元援助巴基斯坦的军事及众多民用项目。
10·In recent weeks, the mainstream media in the U. S. has been running nightly reports about large crowds at u.
最近几周，美国的主流媒体一直在整晚报道购物中心里的拥挤人群。