就像任何安慰剂一样，它只有在权威指导下（使用）才能发挥效用。
Like any placebo, it must be dispensed with authority to be effective.
当一项技术得到应用时，技术带来的影响远远超出了其本身的效用。
When a technology is deployed, its impacts reach far beyond itself.
不从效用角度谈论架构是很难的。
It's difficult to talk about architectures without the perspective of utility.
而效用可能包含很多因素。
他指的效用是什么呢？
这一巧妙的主意有直接的表面效用。
这种疗法的效用现在受到威胁。
维生素对人们的心理效用很强。
表示效用，或完成所给任务的愿望。
The 'u' stands for utility, or the desire to complete a given task.
有很多种不同的球类运动有此效用。
There are many different ball games that can do this for us.
药物没有安慰剂效用。
而幸福数据不会直接帮助我们衡量效用与健康。
Yet happiness data do not enable us to directly measure utility and wellbeing.
他们理所当然将保持其效用。
They will of course maintain their usefulness... It's there.
使资金在南亚地区发挥效用。
如果你吃的大多是鸡肉，效用就不大了。
If you eat mostly chicken, your savings would be less impressive.
在这个世界上，在我们周围，静有一种镇静的效用。
Stillness has a calming effect on the world around us as well.
输入有效用户ID和密码。
优化搜索引擎是一个选择，但效用有限。
电视对孩子有即时效用。
Television has an immediate impact on your child's behavior.
这种轻撞卫星的能力，具备和平及军事效用。
The ability to nudge satellites has both peaceful and military USES.
耐药性已使多数较陈旧的抗疟药物失去效用。
Most older antimalarials have been rendered useless by drug resistance.
这是一个收集选项，它允许更改正发挥效用的跟踪选项。
This collection option lets you change the trace options that are in effect.
我们只去学那些对我们来说最有效用的东西。
We learn only those things which are the most effective for us.
奥姆斯特德的作品总有一种“直接效用或服务的目的”。
There was always a “purpose of direct utility or service” to Olmsted’s work.
运行效用。
而我们所说的“效用计算2.0”实现了以上所有优点。
When all of them come together — well, it's what we call "utility computing 2.0."
完全没有…效用呢！
然而，育亨宾树引发的问题似乎比它的效用更多。
However, yohimbe seems to cause more problems than it is probably worth.
在全国范围内制定相似的策略将会产生更大的效用。
Enacting similar policies at the national level would help even more.
假如它们没有效用的话，我早就把它们移走并换上别的广告了。
If they weren't effective, I'd remove them right away and try something else.
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