然而，在美国社会，阶级结构没有那么严格；有些人很轻易地就改变了职业，并认为提高他们的社会和经济地位是他们自己的责任。
In American society, however, the class structure was less rigid; some people changed occupations easily and believed it was their duty to improve their social and economic position.
这要求财政部来确认严重低估的货币，如果罪犯不采取行动，那么就允许美国公司提出保护性反倾销关税的要求。
It would require the Treasury to identify seriously undervalued currencies, and then, if the culprits do not take action, would allow American firms to ask for protective anti-dumping duties.
如果几个例子就对这些标准给出了定义，那么在美国取得结婚执照本该有严重警告。
If a few instances define the standards, then just getting a marriage license in the United States should have a warning imprinted in gold.
如果还没有明显好转，那么，实施美国医生不愿在巴西做的整容手术，就真是一个坏主意。
If it's not already obvious, getting cosmetic surgery that a US doctor wouldn't do in Brazil is a really bad idea.
仅家庭能耗和排放就大约占美国全部能源消耗和排放的三分之一，如果再加上交通旅行的排放，那么个人的行为决策就会对整个环境产生巨大的影响。
With households accounting for around one-third of US energy consumption and emissions when personal travel is taken into account, the decisions individuals make can have a huge impact.
如果你恰好是一个左撇子，又恰好在美国宾夕法尼亚州的杰尼阿塔学院上学，那么你就已经满足了申请这项奇怪奖学金的全部条件。
If you happen to be left-handed and you attend Juniata College in Pennsylvania, then you effectively meet the criteria for this wacky scholarship.
如果你要使用咖啡，那么就直接使用美国的普通浓度的咖啡，不要使用像espresso这样的超浓度咖啡。
If you do use coffee, just use what would be considered regular strength coffee in America, not something super concentrated like espresso.
只要美国能从国外获得便宜的贷款，那么它对平衡本国经济收支就鲜有动力。
As long as America can get cheap money from abroad, it has little incentive to rebalance its economy.
如果这些美国官员目的是要诽谤联合国发展计划署，那么向美国报纸和国会的共和党人披露就已经达到目的了。
If their aim was to blacken the UNDP, then leaks to American newspapers and to Republicans in Congress have had the desired effect.
如果他们工作的实验室里恰好有其他中国研究生，那么通常就几乎没有必要和美国人打交道了。
If they happen to work in a lab where there are other Chinese graduate students then there is often hardly any need to interact with Americans.
“是的”，我还没问完迪克就已经脱口而出，加里也开始抢答：“我认为普通美国人——”迪克打断了他：“会不那么在意。”
"Yes, " says Dick before I finish the question. Gary begins, "I think the average American—" but Dick cuts him off "could care less".
然而，经济人士担心随着美国消费激增导致透支过度，外国可能就没那么愿意向美国出借了。
But economists worried that as America's consumption boom took it deeper into hock, foreigners would become less willing to lend to it.
只要美国人不削减其石油消耗，那么拒绝国内石油开发就意味着需要像海外进口更多的石油，而通常这些进口国的环境保护标准更低。
So long as Americans do not reduce their consumption of oil, refusing to drill at home means importing more of the stuff, often from places with looser environmental standards.
如果美国在核试验问题上还给自己留有余地，那么，主张他国废除核试验，美国就更难开口了。
Keeping America's testing option open makes it harder to argue that other states should abandon theirs.
但是如果我们认同这一说法，即态度造就了天资，那么有人就会拿出美国在PISA测试中的分数说事，是否有态度就够了。
But if we buy this argument-that attitude makes up for aptitude-then one might look at U.S. math and science scores as they plummet on tests like PISA and wonder if attitude will be enough.
我跟很多美国人一样，对于有效利用能源和找到能源替代物都怀有兴趣，但并不是说就那么地全心全意。
Like many Americans, I have an interest in efficiency and alternative energy but don't pursue it wholeheartedly.
但如果卡梅伦和他的同僚认为美国标准协会那套监管模式能在国家监管和自我监管之间提供一个皆大欢喜的折中方案的话，那么他们就错了。
Alas, if Mr Cameron and colleagues think the ASA model offers a happy halfway house between compulsion and self-regulation, they may not be right.
如果美国苹果公司总裁史蒂夫·乔布斯由于身体状况问题不能继续工作，那么美国苹果公司董事会就几乎部署好了接替他的计划。但是，他们把这个问题拿到台面上讨论，是没有必要的。
Apple's board of directors almost certainly has a plan to replace Chief Executive Steve Jobs if the worst happens. They won't, however, have to talk about it.
[font=Tahoma][color=#000000]如果美国犹太人担心同化会减少他们的人数，那么人数更少的欧洲犹太人就更应已经如此了。
[color=#000000]If American Jews worry about assimilation depleting their numbers, so much more do the already less numerous Jews of Europe.
如果仅仅“使采购过程合理化”就足够了，那么美国早该在几十年前就解决了这些问题。
If simply "rationalizing" the process were sufficient, the United States would have fixed its problems decades ago.
如果仅仅“使采购过程合理化”就足够了，那么美国早该在几十年前就解决了这些问题。
If simply "rationalizing" the process were sufficient, the United States would have fixed its problems decades ago.
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