If you give up exercise, your muscles shrink and fat increases. By the same token, if you expend more energy you will lose fat.
如果你放弃锻炼，肌肉就会萎缩，脂肪会增多。同样地，如果你消耗较多的体能，你就会减掉脂肪。
Growth, reproduction, and daily metabolism all require an organism to expend energy.
生长、繁殖和日常的新陈代谢都需要有机体来消耗能量。
Extreme athletes expend lots of energy breaking down and repairing and building muscles.
极限运动员消耗大量能量来分解、修复和塑造肌肉。
Since 1914, scientists have known that birds flying in formation—a V-shape—expend less energy.
自1914年以来，科学家们已经知道，以V字形队形飞行的鸟类消耗的能量更少。
This is because of all the energy they expend to make the equipment to catch animals—the enzymes, the pumps, and so on.
这是因为他们为制造捕获动物的设备而花费的所有能量——酶、泵等。
Why does their behavior indicate more of a concern with how much energy they expend than with being exposed to predators?
为什么它们的行为表明它们更关心的是消耗多少能量而不是担心暴露在捕食者面前呢？
They do not want to expend energy in what, to them, is a lost cause.
他们不想把精力投到他们认为注定不会成功的事中去。
Children expend a lot of energy and may need more high-energy food than adults.
孩子们耗能多，可能比成人需要更多高能量的食物。
I think it is safe to say that very few students expend the effort to do quality work in school.
我认为有把握这么说，几乎没有学生能在学校用心读书。
For example, birds may expend more of their reserves on thermoregulation if they spend the night exposed to the wind on a song post than if they are in a sheltered roost site.
例如，与在有遮挡的栖息地的鸟类相比，如果鸟类在风中露宿一晚，它们可能会更多地利用体温调节。
But many do not expend the extra effort.
但许多人不会去付出这种额外的努力。
Don't expend all your energy on such a useless job.
不要把你的精力全花在这无益的工作上。
Analyze risks to decide where to expend test effort.
分析风险，决定测试的重点。
Pick the one you want to really expend that energy on.
将你的精力花在你真正关心的一边。
You don't need to expend that much time in watching TV.
你没必要花那么多时间在看电视上。
We are fat because we consume too many caloriesand expend too few.
我们会胖，因为我们消费了太多的热量，但消耗的太少。
In this case, the executive branch makes a decision to expend funds.
在本例中，主管部门作出资金消费决策。
"It's basic physiology," Loria says. "Eat fewer calories than you expend."
Loria说，那是基础生理学的，摄入少点热量，不要摄入比你消耗的多！
To produce and sustain this growth, they must expend vast amounts of energy.
为了制造和维持这种增长，人们必须要消耗巨大的能量。
Neither entity wanted to expend the time or money to develop their own standard.
没有经济实体想要花时间或金钱来开发它们自己的标准。
You can expend these Piggy Bank models to better understand this sample project.
您可以展开这些PiggyBank模型以更好的理解范例项目。
Why expend time and energy in activities that fail to increase reproductive success?
为什么花时间和精力去做不能提高繁殖率的事情？
That occurs when they take in more energy than they expend. The unused energy is stored as fat.
这种情况发生在他们吸收的能量多余消耗的能量时，未消耗的能量就以脂肪的形式被储存下来。
Yet it’s rare that developing traders focus any attention or expend any effort to learn it.
然而用心或努力学习它的交易者很少。
A speech recognition system must expend significant processing to turn your speech into text.
语音识别系统必须付出大量的处理把您的语音转为文本。
The basic formula for weight loss is simple and widely known: consume fewer calories than you expend.
减肥最基本的准则非常简单，而且广为人知：少摄取卡路里，多消耗卡路里。
More often than not the energy they expend on seeming impressive makes their actual performance worse.
通常他们花费在着装上的精力使得他们的工作更加糟糕。
Why would individuals expend time and energy in activities that fail to increase reproductive success?
个体为什么要耗费时间和精力，去从事无法提高种群繁殖率的事情？
The long tail becomes even more obvious when you expend the scope to show the top 1, 000 websites
当你把观察的范围拓展至全球排名前1000的网站时，长长的“尾巴”甚至更明显了
The long tail becomes even more obvious when you expend the scope to show the top 1, 000 websites
当你把观察的范围拓展至全球排名前1000的网站时，长长的“尾巴”甚至更明显了
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