I think that it's true that the economy is difficult and there is a big challenge in front of us.
我认为经济形势确实很困难，我们面临着巨大的挑战。
It is also true that it is difficult to think of a single such system that has not, for better or worse, been substantially modified by human culture.
同样，很难想象一个这样的系统：不管是好是坏，都没有经过人类文化的实质性修改。
It's true that your father will find it extremely difficult to get out of the habit of smoking, but he should try his best for health's sake.
确实，要你父亲改掉吸烟的习惯很难，但是为了健康，他应该尽力戒除。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the high-energy American fashion that makes it possible to combine few farmers with high yields.
这种困难将是确定无疑的，因为能源的匮乏将使高能量消耗的美国农业模式难以继续下去，而这种模式使投入少数农民就能获得高产成为可能。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the highenergy American fashion that makes it possible to combine few farmers with high yields.
这种困境将是确定无疑的，因为能源的匮乏使农业无法以高能消费这种美国耕作方式继续下去了，而这种耕作方式可以投入少数农民就获得高产。
We all want peacefulness - but it can be difficult to find true rest and stillness within a busy life.
我们都想安宁，但在这样繁忙的生活中要得到真正的休息和静止似乎很难。
难但是却正确。
True, mineral companies today are so eager to develop new finds that they are willing to work under astonishingly difficult conditions.
不错，如今矿产公司急于探明新的矿藏，他们还愿意在极其恶劣困难的条件下开采挖掘。
Don't worry though-it is not that difficult, particularly considering the tried and true cut and paste technique often applies!
但是不必担心—它也不是那么难，具体来说重点就是使用常用的剪切粘贴技术！
This will be particularly true since energy pinch will make it difficult to continue agriculture in the high-energy America fashion that makes it possible to combine few farmers with high yields.
虽然在美国投入少数农民就可以获得农业高产，但由于能源匮乏，这种以消耗高能源为基础的耕作方式将难以维持，因而食品短缺这一困境将是必定无疑的。
With the media's spotlight cloaked, it's difficult to know even if the events surrounding the mayor were true or just rumors.
在媒体的聚光灯外衣下，人们很难知道周围发生的事件是真的，还仅仅是谣言。
The Trivers-Willard theory has been tested with success in several species of wild animal. Showing it to be true in people, however, has proved difficult.
催佛司维纳德理论在一些动物试验中得到了证实，但要在人类身上证明同样适用，则是一件困难的事。
“In the college population, it may be difficult to sort out recreational drinking from true problem drinking with DSM-IV diagnostic criteria alone,” the researchers said.
研究者说：在大学人群中，区分娱乐喝酒的人和真正的美国精神障碍下统计手册上描写的标准的酗酒的人或许是有点困难的。
“In the college population, it may be difficult to sort out recreational drinking from true problem drinking with DSM-IV diagnostic criteria alone, ” the researchers said.
研究者说：在大学人群中，区分娱乐喝酒的人和真正的美国精神障碍下统计手册上描写的标准的酗酒的人或许是有点困难的。
Though it may be possible to measure the value of material good in terms of money, it is extremely difficult to estimate the true value of the services which people perform for us.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们为所提供的服务的价值却是极其困难的。
Though it may be possible tomeasure the value of material goods in terms of money,it is extremely difficult to estimate the true value of the services whichpeople perform for us.
虽然物质产品的价值可以用金钱来衡量，但要估算别人为我们为所提供的服务的价值却是极其困难的。
So it seems that we are faced with a difficult philosophical question. How is one to know which aspect of a person counts as that person’s true self?
因此这似乎成为了我们所面对的最难的哲学问题——人如何知道哪一个才是真实的自我呢？
So it seems that we are faced with a difficult philosophical question. How is one to know which aspect of a person counts as that person's true self?
因此这似乎成为了我们所面对的最难的哲学问题——人如何知道哪一个才是真实的自我呢？
That's true, but an emotionally empty marriage, and relationship, can be very lonely and she clearly found it as difficult to decide to give up as I have.
是的，但是一个没有感情的婚姻或关系是很孤独的，她显然跟我一样意识到决定去放弃也是很艰难的事。
The converse is true as well; in the face of vague or overwhelming goals, it's difficult for most of us to maintain our motivation and assess our progress.
反之亦然；面对着模糊或是遥不可及的目标，我们中大多数人都很难保持动力，也很难评定自己取得的进步。
For most companies changing culture is the most difficult part. I believe this is true for several reasons.
对于大多数的公司来说，改变文化是最困难的。
When there is a performance problem in this layered architecture, it often becomes difficult to get to the root cause. This is particularly true for DBAs.
当分层架构中出现性能问题时，往往很难找到根源，对dba来说尤为如此。
True component Development - While simple in concept, componentized software can be difficult in practice.
真正的组件开发——虽然组件开发概念很简单，但是真正开发组件化软件的时候，却是困难重重的。
It "s true that we have been leading a difficult life, for we need not only to be under various external pressures, but also to be in the face of internal perplexities."
我们确实活得艰难，一要承受种种外部的压力，更要面对自己内心的困惑。
“I wonder if he will be able to succeed, ” said Mr Winterkorn, “because successfully managing several brands and obtaining true synergies is really difficult.”
“我对他能否成功感到好奇，”温特科恩说，“因为成功地管理数个品牌并获得真正的协同效应真的是很困难的。”
Keeping the Boolean functions true and false as Booleans without having them unintentionally converted to strings is difficult.
保持Boolean函数true和false为booleans值，不让它们被意外地转换成字符串，是很困难的。
Partly true, no doubt, but Mr. Stembridge also said software patents were far more difficult to obtain in Europe than in America.
在部分来说的确如此。但是Stembridge还说，要在欧洲获得软件专利比在美国更加困难。
Partly true, no doubt, but Mr. Stembridge also said software patents were far more difficult to obtain in Europe than in America.
在部分来说的确如此。但是Stembridge还说，要在欧洲获得软件专利比在美国更加困难。
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