在过去的几十年里，美国的中产阶级家庭曾经依靠努力工作和公平竞争来保证自己的财务安全，但现在的经济风险和新出现的情况已经改变了这种状况。
During the past generation, the American middle-class family that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities.
其中的经典标题充分反映了这一早期时代的特征：《日本的进出口——过去和现在》、《钢铁：一个人的成名史》、《美国女孩眼中的日本》。
Their very titles stand as totems of an earlier era: “Japan’s Ports—Past and Present”; “Iron and Steel: A Success Story”; “American Girl Finds Japan.”
更要命的一点，现在美国还有远远多于过去的，在制造和发射卫星市场上的对手。
On top of that, America has a lot more competition than it used to in the markets for making and launching satellites.
简略说，中欧和东欧国家过去一度维护着欧洲大陆和美国之间的牢靠关系，而他们现在将很快变得内省、孤立和无助。
In short, central and eastern Europe, whose nations once championed a strong relationship between their continent and America, could quickly become introverted, isolated and unhelpful.
但是仍旧有2/5的美国人拒绝接受人类和动物享有共同的组先的观点；他们宁愿相信他们是在过去的10，000年前被创造成他们现在的样子。
Yet two-fifths of Americans still refuse to accept that human beings share a common ancestry with animals, preferring to believe that they were created in their present form in the past 10, 000 years.
过去美国和前苏联曾经通过经济和军事援助来争夺影响力，金砖四国现在也如出一辙，不过今时今日他们的竞争要比冷战时期的竞争温和多了。
Rather as America and the Soviet Union vied for influence through economic and military aid, the BRICs do now (though their competition is less fierce than the cold-war version).
这周，驻伊拉克的美国军事行动改变了名字和目标。在过去这项军事运动一直被称为‘伊拉克自由行动’。而现在，它被称为‘新曙光行动’
This week, the American military campaign in Iraq changed names - and goals. The campaign had been called Operation Iraqi Freedom. Now, it is known as Operation New Dawn.
本课程将应用支持美国政策因果的一般理论，来解释并评价过去和现在的政策。
General theories that bear on the causes and consequences of American policy will be applied to explain and evaluate past and present policies.
过去中国人一提起美国也许就会想到在美国电影里面所看到的人物，现在你们知道勒布朗·詹姆斯和史蒂夫·乔布斯。
Now they think of Yao Ming. When Chinese used to think of America maybe you only thought about what you saw in the movies. Now you know LeBron James and Steve Jobs.
能源专家们现在认为，美国、欧洲和日本今后的石油消费量可能再也不会超过去年的水平。
Energy experts now say that the U. S. , Europe and Japan will likely never use more oil than they did last year.
这是一场网坛过去与现在霸主之间的较量。世界头号网球名将费德勒直落两盘以6 - 4和6 - 3战胜美国名将桑普拉斯。
In an exhibition match between the giants of tennis present and past, world No 1 Roger Federer defeated Pete Sampras in straight sets, 6-4, 6-3.
目前，美国企业可以用现在的亏损来冲减日后收益和过去两年盈利所需上缴的税金。
Right now, companies can use losses to reduce taxes on any future earnings, as well as on profits going back two years.
与假设不同，在时间导向维度中，中国和美国的电视商业广告都表现出“现在导向”而非“过去”和“未来”导向。
Instead, commercials in both cultures demonstrate strong present-time orientations. On the dimension of one's relationship with nature, also contrary to our hypothesis, U.
过去由于位于两大洋之间而产生的安全感现在已经不存在了。美国人无法再像以前乘公共汽车或者看棒球赛那样方便的乘坐飞机了，必须接受金属和爆炸物的探测。
The feeling of safety provided by two mighty oceans now gone, Americans no longer get on planes as if they were buses or go tee baseball games without a brush from a metal or explosives detector.
刚刚过去的两周我一直都在美国加州Lake Arrowhead和Raf一起训练，而我可以告诉大家，现在我的耐力已经有了很大的提高。
The past couple of weeks I've been training in Lake Arrowhead, California with Raf and I can tell that my endurance has improved significantly.
我们只要注意上半个世纪美国的女权运动是怎样重塑和改写了美国历史就可得知：“现在”不断地改造“过去”。
One has only to note how in the last half-century the movements for women's rights and civil rights have reformulated and renewed American history.
本文利用大量的事实和证据详细地论述和探讨美国英语的过去，现在和未来。
The current paper, based on adequate facts and evidence, expounds and studies the past, the present and the future of American English.
本文利用大量的事实和证据详细地论述和探讨美国英语的过去，现在和未来。
The current paper, based on adequate facts and evidence, expounds and studies the past, the present and the future of American English.
应用推荐