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。
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！
At cost of precious money which he had long been saving up, shilling by shilling, he put a lightning-rod on the house.
他从自己一分一厘节省的血汗钱里拿出一笔来，在房顶上安了一个避雷针。
There are two ways to look at cost of living: from your viewpoint as a business owner or from the perspective of your employees.
你可以从两个方面看待生活成本：或者从公司所有者的角度或者从公司员工的角度。
Analysts predict that Digital will price the new line at less than half the cost of comparable IBM mainframes.
分析家们预测迪吉多公司会将其新线产品的价格定在低于可比的IBM公司大型主机成本的一半的水平。
In March Mr. Salinas shut down the city's oil refinery at a cost of $500 million and 5,000 jobs.
3月时萨利纳斯先生关闭了该市的炼油厂，损失了5亿美元和5000个工作岗位。
He learned a lesson at the cost of blood.
他以血的代价吸取了教训。
Earlier this month, it was reported that the cost of enrolling an infant or small kid at a childcare center rose 3% in 2012, faster than the overall cost of living.
本月早些时候，有报道称，婴幼儿在托儿中心的入学费用在2012年上升了3%，上涨速度高于整体生活成本。
The United States petroleum industry's cost to meet environmental regulations is projected at ten percent of the price per barrel of refined petroleum by the end of the decade.
在这十年结束之前，美国石油工业达到环保标准的成本预计为每桶精炼石油价格的10%。
Superb systems of communication by air, sea and land make it possible for us to visit each other's countries at a moderate cost.
有了一流的空中、海上和陆地交通系统，我们就能够以低廉的费用访问彼此的国家。
By using stale metaphors, similes, and idioms, you save much mental effort, at the cost of leaving your meaning vague.
使用陈腐的暗喻、明喻和习语，你省了不少思考的力气，代价是你的意义的模糊。
The South has a tradition of attempting the impossible at great cost, proudly celebrating the failure, and gaining admiration for the performance.
南方有种传统，付出巨大的代价挑战不可能，自豪地庆祝失败，并因表现而获得钦佩。
UR ensures the highest level of performance at the cost of some data inconsistency.
UR 以牺牲某些数据的不一致性为代价，确保了最高级别的性能。
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。
After several years of cultivation and harvest, the site would be restored at a cost much lower than the price of excavation and reburial, the standard practice for remediation of contaminated soils.
经过几年的耕种和收获，该遗址将以远低于挖掘和重新掩埋费用的成本进行修复，这也是修复污染土壤的标准做法。
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。
Michelle will also spin a customer's wool fleece to specification at a cost of $2.25 an ounce.
米歇尔也将以每盎司$2.25的价格按照顾客的要求为其纺羊毛呢。
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。
By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.
通过化学方法从灰烬中提取镍，他们每英亩土地生产了100磅镍，每磅的总成本略高于目前的采矿成本。
Kitty will have two weeks off and she'd like a tour at a cost of about $25. She feels like visiting China's historic capitals.
凯蒂将会有两个星期的假期，她想参加一次旅游，费用大约是25美元。她想去中国历史悠久的首都参观。
The British are supposed to be famous for laughing at themselves, but even their sense of humour has a limit, as the British retailer Gerald Ratner found out to his cost.
英国人本应以自嘲著称，但就连他们的幽默感也有限度，英国零售商杰拉尔德·拉特纳在付出一定的代价之后才明白了这一点。
It has consequences: South Africa's ongoing drought—the worst in three decades—will cost at least a quarter of its corn crop this year.
它的后果是：南非持续的干旱——三十年来最严重的干旱——将导致它今年至少四分之一的玉米作物受损。
At last, we decided that all three of us would give up sugar toward saving the cost of his keep.
最后，为了节省他的生活费，我们三个人决定不吃糖。
I hold to my belief that development shouldn't be at the cost of the environment.
我坚信发展不应该以环境为代价。
Maybe you see low customer participation at first or conversely, so much success that the cost of recycling becomes too high.
也许你一开始发现客户参与度很低，或者恰恰相反，大量成功造成回收成本过高。
While these buildings could be renovated at a fraction of the cost of rebuilding the Cathedral, planners are more likely to knock them down and rebuild.
虽然这些建筑的翻新成本仅为大教堂重建成本的一小部分，但规划者更有可能将其拆除并进行重建。
While these buildings could be renovated at a fraction of the cost of rebuilding the Cathedral, planners are more likely to knock them down and rebuild.
虽然这些建筑的翻新成本仅为大教堂重建成本的一小部分，但规划者更有可能将其拆除并进行重建。
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