Genender: It takes on the support component, which can be difficult from a free-time perspective.
Genender：开放源码需要支持的部分，而这从自由时间的角度来看是很困难的。
Extracting heat from very hot, dry rocks presents a more difficult problem: the rocks must be fractured to permit the circulation of water, and the water must be provided artificially.
从极热的而干燥的岩石中提取热量，暴露出了一个更加困难的问题：必须击碎岩石以保证水的循环，而水必须是人工提供的。
Punishing people for using hand-held gadgets while driving is difficult enough, even though they can be seen from outside the car.
惩罚那些开车时使用手持设备的人已经够难的了，即使从车外都能看到他们。
It can be difficult to see yourself from the outside, but knowing who you are, namely self-awareness, can help you understand feelings and make friendships closer.
从外界认识自己是很难的，但是知道自己是谁，也就是拥有自我意识，可以帮助你理解感情，拉近友谊。
Walking from one place to another may be a slow and difficult job.
从这里走到那里可能需要很长时间，并且很艰难。
It can be difficult if the only disabled toilet in the basement is a long way from where the film is showing.
如果地下室里唯一一个残疾人厕所被安排在离放映大厅很远的地方，这样会很麻烦。
Looking back, we might realize that we learned the most from what seemed to be the most difficult of circumstances.
回首过去，我们可能会发现，我们从似乎是最困难的条件下学到了最有用的东西。
Figuring out what caused an exception from stack traces alone can be difficult, and it's even more complicated when your code is hosted by an application server.
单纯根据堆栈跟踪可能很难指出产生异常的原因，而且当您的代码是由应用程序服务器托管时情况会更加复杂。
I find the API somewhat difficult to work with, so reading it thoroughly can be the difference from using it successfully to throwing into the recycle bin.
我发现这个API多少有点难以使用，所以如果事先仔细地研读就能顺利地使用它，而不至于最终将它扔入回收站。
But experts say it will be very difficult to isolate this part of the protein from the virus to use in a vaccine, or to manufacture it using genetic engineering.
不过，专家们说，很难从病毒中分离出这部分蛋白质用于疫苗，或利用基因工程生产出这种蛋白质。
It would be very difficult to build software that can derive that relationship from all the possible ways to express it in XML.
构建可以从所有可能的XML表达方式中得出这种关系的软件是非常困难的。
If you have a chronic condition, such as heart, kidney or lung disease or diabetes, recovering from the flu can be more difficult.
如有同时有慢性疾病，如心脏、肾脏或肺部疾病或糖尿病，流感康复会更加困难。
“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。
Hydrogen, which can be made electrolytically from water and used to power fuel cells, is difficult to handle.
电解水产生并给燃料电池供能的氢难以处理。
On the other hand, subtler differences can be striking, but are difficult to communicate and, above all, may not be consistent from crop year to crop year or from farm to farm.
另一方面，就连更微妙的区别也能被发现，但是要描述出来就很有难度了，总之，这种差别由于作物年度和农场之间的区别而变得不一致。
Unless you have a photographic memory, following a recipe from a cooking show will be difficult.
除非你拥有照相记忆，否则从一个烹饪节目学会烹饪方法可不容易。
Finally, remember it can be difficult to maintain relationships online because people feel psychologically distant from one another, so make a call every now and then.
最后，记住通过网络保持关系是很困难的，因为彼此能感觉到心理上的距离，所以要不时的打个电话。
Some of my one-session "cures" have come from reminding people that life can be difficult, and it's OK if we're not happy all of the time.
一些在我第一期心理治疗是要让病人想起自己的生活是多么困难，如果我们总是不高兴的话，这种方法也是不错的。
'It certainly would be extremely difficult for someone from outside of Yale to get into that space. Not impossible, but extremely difficult,' he told the newspaper.
他说，耶鲁以外的人要进入那个地方肯定是极其困难的，并非完全不可能，但极其困难。
A difficult man he may be, but the governor inspires loyalty from those who work with him.
他可能是一位难搞的人，但州长却能让跟他做事的人全力以赴。
But a full DSL approach could be difficult to develop in a large group with several business units that are distinct from each other.
然而，如果一个较大的组织中存在几个截然不同的业务单元时，整套DSL方法开发起来还是比较困难的。
Although removal of excessive fluoride from drinking-water may be difficult and expensive, low-cost solutions that can be applied at a local level do exist.
虽然从饮用水中去除过量氟化物可能很困难并且费用高昂，但仍然存在可在地方一级采取的费用低廉的解决办法。
Neurogenic claudication is pain in the legs due to compression of nerves in the spinal cord and can be very difficult to distinguish from claudication due to arterial problems.
神经性跛行是因为脊髓中的神经受到压迫导致腿部疼痛，这种跛行与因动脉问题导致的跛行是很难区分的。
Without a clear, "official" approval from senior management, the manager's new role will be more difficult to protect when difficulties arise.
没有一个来自上级管理层的明确的“正式的”批准，在出现困难时经理的新角色的保全就会困难重重。
It might seem remote; it might seem difficult; it might be a world away from the arcane mumblings of Nancy Pelosi and Michael Steele; but unless you are a psychopath, you care.
谈论这些可能和南希·佩洛西和迈克尔·斯蒂尔不知所云的喃喃之语有天壤之别，但除非你是个精神病患者，你还是在乎这些问题的。
Tracking back from database query to the application can be difficult.
从数据库往回追踪应用程序会非常难。
It may be difficult, but in troubled times, researchers say, people need to take comfort from life's simplest pleasures.
研究者们说，尽管做起来很难，但是在多事之秋，人们需要从生活的最简单的快乐中获取安慰。
Project metrics may be inconsistent or difficult to obtain from heterogeneous infrastructures, different processes, or company security boundaries, making it difficult to measure success.
从异构的基础结构、不同的过程，或公司安全边界获得的项目标准可能不一致或不同，这使得很难度量成功。
Project metrics may be inconsistent or difficult to obtain from heterogeneous infrastructures, different processes, or company security boundaries, making it difficult to measure success.
从异构的基础结构、不同的过程，或公司安全边界获得的项目标准可能不一致或不同，这使得很难度量成功。
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