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- This article concerns the shadow cost concept and discusses the relationship between shadow cost and dual price according to linear programming's economic meaning of dual variable and shadow price. 摘要本文根据线性规划问题对偶变数和影子价格的经济意义，给出了影子成本的概念，讨论了影子成本与对偶价格的关系。
- He had to live in the shadow of his famous father. 他不得不在他那有名望的父亲的庇护下生活。
- The shadow of death is on his face. 死亡的阴影笼罩在他的脸上。
- The police put a shadow on the suspected robber. 警方派探员盯住那个抢劫疑犯。
- She reckoned she had cut her cost by half. 她估计她减少了一半的费用。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
- The cost of travel to the far east is prohibitive. 到远东旅游的费用高的令人不敢问津。
- John lived in the shadow after his retirement. 约翰退休后，过着隐居的生活。
- In point of cost, we'll have to discuss it at the next meeting. 至于费用方面，我们只好留到下次会议再讨论。
- The tragedy cast a shadow over their lives. 这一悲剧在他们的生命中投下了一片阴影。
- His parents balk at the cost of the guitar he want. 他想要那个吉他，但他父母看到吉他的价格却踌躇不决。
- He put the telephone bill down as a business cost. 他把电话费用作为办公费记下。
- The tree cast its shadow on the wall. 树影映在墙上。
- My new car cost me a cool thousand pounds. 我的新车整整花了我1000镑。
- Sometimes she sits alone in the shadow. 有时候她独自一人坐在幽暗处。
- Her eyelids are blue with eye shadow. 她眼皮涂了眼睑膏看上去蓝盈盈的。
- How much did it cost you to study abroad? 你出国深造花了多少钱？
- My twin brother is my shadow every minute. 我的孪生兄弟与我形影不离。
- A good video camera will cost you a pretty penny. 一台好的摄像机要花掉你很多钱。
- A year in America will cost you no end of money. 在美国住一年要花很多的钱。
