While you are in the prime of life, why not devote yourselves to a special field of study?
为什么不把握人生中最美好的时间，努力做一种专门学问呢？
Both these devices worked well in sunny climates; but in northern Europe, the sun may be hidden by clouds for weeks at a time, while temperatures vary not only seasonally but from day to night.
这两种装置在阳光充足的气候条件下工作良好；但在北欧，太阳可能一次被云层遮挡数周，而温度不仅随着季节变化，而且还随着昼夜变化。
If a contestant injures himself while attempting to foul his opponent, the referee will not take any action in his favor.
如果参赛者在企图对对手犯规时弄伤了自己，裁判将不会采取对他有利的行动。
Once in a while, I'll listen to the radio to see what they are putting out, but it's not too often I hear something I like.
偶尔，我会听听收音机，看看他们在播什么，但不常听到我喜欢的东西。
A gamification strategy that is not sufficiently thought through or well tailored to its players may engage people for a little while, but it will not motivate people in the long term.
一个没有经过充分思考或是适配用户需求的游戏化战略可能会在短期内吸引人们的注意力，但从长远来看它不会激发人们的积极性。
Some people believe that women should play an equal role with men in a country police force or military force, while others think women are not suitable for these kinds of jobs.
一些人认为女性应该在国家警察机关或军队中扮演与男性平等的角色，而另一些人认为女性不适合做这类工作。
While excessive optimism can promote bad investment patterns, resulting in a real-estate "bubble," the report's writers downplay that potential outcome in that it has not yet occurred.
过度乐观可能会助长不良投资模式，导致出现房地产“泡沫”，但这篇报告的作者对这种潜在后果只是一笔带过，认为这种后果尚未发生。
I put on a pair of dress pants I have not worn in a while, followed by my dress shirt.
我穿上了一条好久没穿过的正装长裤，然后穿上衬衫。
His own children have got into the habit of playing outside now: "We just send them out into the garden and tell them not to come back in for a while."
他自己的孩子现在已经养成了在外面玩的习惯：“我们只是让他们到花园里去，并告诉他们一段时间内不要回来。”
While regularly eating out seems to have become common for many young people in recent years, it's not without a cost.
虽然在近年来，经常外出就餐似乎已成为许多年轻人的常态，但这并不是没有代价的。
Of those Australians who still have a landline, a third concede that it's not really necessary and they're keeping it as a security blanket—19 percent say they never use it while a further 13 percent keep it in case of emergencies.
在那些拥有座机的澳大利亚人中，有三分之一的人承认，座机不是很有必要，他们将其作为一种能带来安全感的东西保留下来。19%的人说他们从未使用过座机，还有13%的人保留座机以防紧急情况。
She turned the matter over in her mind for a long while, but still could not come to a decision.
她忖量了半天，还拿不定主意。
Not adding this line in the script will create a pop-up error while connecting to the instance using VNC.
如果不在脚本中增加此行，将会导致在采用VNC连接实例时出现弹出错误。
While rubber's role in automotive applications is generally not a glamorous one, it is significant.
虽然橡胶在汽车产业中的角色不是主要的，但是具有重要的意义。
This is not a true cursor-like behavior because, while the registry allows chunked retrieval of results, these results do not represent a frozen snapshot in time.
这并非一个真正的类似光标的行为，因为当注册中心允许结果的分块检索时，这些结果不代表及时的冻结快照。
Crea, who was Australia's strength and conditioning coach in 2006, said he did not hear a peep while he was putting Kewell through his paces.
克雷亚，2006年澳大利亚队的体能训练教练，提到当年他在对科威尔进行体能极限训练时从未听到过一句抱怨。
Attending their classes is of benefit to them, and while it may be tempting to skip them once in a while, it is not the responsible choice.
上课对他们是有益的，虽然偶尔逃课颇令人心动，但这并不是负责任的选择。
The targeted muscle should be in a relaxed state, meaning the muscle should not be working to support you in any way while you are stretching it.
这些目标肌群应该处于放松的状态，这意味着当你在伸展某个肌群的时候，那部分肌肉不应有任何形式的负担。
In a portal page, some of these features are not available, while others need to be manually configured.
在门户网站页面中，这些功能中的一些将无法使用，而另一些则需要手动配置。
Not long ago, Castresana contacted me again, and for the first time in a while he sounded enthused.
不久前，卡斯特雷萨纳再度联系了我，一段时间以来他的声音头回透着热情。
While not yet in a state of nirvana, they have a degree of control and comprehension over their resources that most would envy.
虽然没有进入涅盘的一个状态中，但是他们已经实现了令大多数人羡慕的对资源控制和理解的一个程度。
So, while we may not like it, image makes a difference in how we are perceived.
所以，尽管我们不喜欢，但外在形象的确影响别人对我们的印象。
But in a world where you can hear the roar of what may or may not be a tiger (or a kidnapped child) in Montana while you are sitting in your kitchen in Florida, it's tough to assess personal danger.
但若是某个或许是或许不是老虎(或被绑架的小孩)的吼叫声在蒙大拿州传出，而那时你正坐在佛罗里达州的厨房里，这就很难判断个人的安危了。
I do have a sense of having completed a quartet of books which, while not a tetralogy in any narrative sense, do cohere in a way.
我的确有一种感觉，我已经完成了这套四重奏似的作品，从叙述角度上来讲它们尽管不是四联曲作品，但在某种方面它们是前后连贯的。
FANCY a three-day weekend - not just once in a while but week in week out?
幻想一下要是周末有三天——不是指偶尔这样，而是每周都这样，那会怎样呢？
FANCY a three-day weekend - not just once in a while but week in week out?
幻想一下要是周末有三天——不是指偶尔这样，而是每周都这样，那会怎样呢？
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