1·He learned a lesson at the cost of blood.
他以血的代价吸取了教训。
2·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。
3·We can't make money at the cost of the environment.
我们不能以环境为代价来赚钱。
4·We human beings have done a lot of things at the cost of the environment to develop economy quickly in the past few years.
在过去的几年里，为了快速发展经济，我们人类做了很多以环境为代价的事情。
5·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。
6·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。
7·I have never regret sending the old lady to hospital at the cost of missing the interview.
我从未后悔因为送那位老人家去医院而错过了面试。
8·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。
9·The lessons learned at the cost of blood helped to sober us.
血的教训使我们的头脑清醒了。
—— 《新英汉大辞典》
10·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。