Experience teaches slowly, and at cost of mistakes.
从经验中学习收效很慢，而且要以错误为代价。
This is a military victory purchased at great cost of life.
这是一场用许多人的生命换来的军事胜利。
And you will find out: you will feed them at cost of nothing!
你会发现：不用花费任何东西就可以救活他们！
He learned a lesson at the cost of blood.
他以血的代价吸取了教训。
They are able to send their children to school, at the cost of an annual sum of $2,800.
他们能够每年花费2800美元送他们的孩子上学。
He was stunned to discover cost overspends of at least $1 billion.
他吃惊地发现至少有$10亿的费用超支。
I was staggered at the amount of money the ring cost.
那戒指那么贵，我非常吃惊。
This book is of such importance that it must be published at any cost.
这本书如此重要，无论如何也要出版。
Copies of the CD can be purchased at cost price.
这光盘可按成本价购买。
You'll be allowed the use of audiovisual equipment at no cost.
你可以免费使用视听设备。
That provides a measure of willingness to punish, even at a cost to the punisher.
这提供了一个对惩罚的愿意程度的衡量手段，即使惩罚有代价。
Most of the cost saving comes at the launch stage.
大部分的成本是在发射阶段省下来的。
For example, the cost, effort, and duration of a project are at best educated guesses.
例如，最好也不过是有根据地推测项目的成本、工作及持续时间。
He didn't know he accepted the money at the cost of his future.
他不知道他是以他的前途为代价而收下这笔钱的。
Either solution would provide a stateful experience at a fraction of the cost.
任何一种解决方案花费部分成本即可提供有状态体验。
The upside is a richer user experience, at the cost of complexity.
这样做的好处是带来更加丰富的客户体验，但却以增加复杂度为代价。
At the heart of this is the skill of estimating, particularly cost estimates.
本质上这是估算技能，尤其是成本估算。
It has recently been rebuilt at a cost of 4.5m yuan.
最近jiuxian花费了450万元对医院进行了重建。
Do not give in to their demands at the cost of your own.
别为了满足于他们的要求而以牺牲自己为代价。
Some people pursue their own personal benefits at the cost of others.
有些人为了追求自己的利益而不惜牺牲他人的利益。
But all of this must be done at a cost savings to today.
但所有这些操作必须以成本节省的目的。
Of course. You save five lives at no cost.
当然，你救了这个五条性命并不需要代价。
All of these features come at a cost: large energy requirements.
所有的这些功能的代价就是：极高的电量需求。
All of this help, though, comes at a slight performance cost.
然而，所有这些帮助都可能会造成一些性能的损耗。
The demo shows the report of human cost at a fictitious company.
演示展示了一个虚构公司的人力成本报告。
But the cost of their Afghan policy at home has been huge.
但是，在国内，他们已经为阿富汗政策付出了惨重代价。
Frisbee is considered to be a low labor product at about 20% of the total cost.
飞盘可看作是低劳动力成本的产品，劳动力成本占总成本的大约20%。
Of course, life in this idyllic town comes at a cost.
当然，生活在这样一个田园般的城镇也要付出代价。
Of course, life in this idyllic town comes at a cost.
当然，生活在这样一个田园般的城镇也要付出代价。
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