The third improves the second and achieves better performance at the cost of more complexity.

He saved the lives of the children at the cost of his own.

他牺牲了自己的生命，却救活了孩子们。

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She saved him from the fire but at the cost of her own life.

她从火中把他救了出来，却牺牲了自己的生命。

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He bought fame at the cost of health and happiness.

他牺牲了健康和幸福换来了名誉。

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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。

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He succeeded only at the cost of his health.

他成功了，但身体却垮了。

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Emphasis on power at the cost of ignoring rights;

重权力、轻权利；

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They succeeded at the cost of hard work.

他们辛苦地工作换来的成功。

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We are determined to get our rights at the cost of our lives.

我们决心不惜一切代价得到我们的权利。

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He saved his daughter at the cost of his life.

他以牺牲自己的生命挽救了女儿。

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He saved the baby at the cost of his life.

他牺牲了自己的生命救了那个小孩。

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The best is only bought at the cost of great pain.

最美好的东西只能用最深痛的剧创来换取。

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He finally got what he wanted at the cost of his health.

他最终以健康为代价得到了他想要的。

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We achieve the freedom but at the cost of the security;

然而，我们在获得自由的同时却失去了安全感；

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The battle was won at the cost of many lives.

战争胜利是以很多人献出宝贵生命为代价的。

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However, this performance advantage at the cost of complex technology, the system investment.

但这种性能优势的代价是技术实现复杂、系统投资大。

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However, flexibility is at the cost of highly complex.

然而，灵活性的实现是以法律制度的高度复杂为代价的。

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There is no sense developing industry at the cost of the environment.

如果以环境为代价来发展工业是毫无道理的。

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You do not need to be loved, not at the cost of yourself.

你不需要别人的爱，至少不是以牺牲自我为代价。

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The author thinks that stock option will have better prompting and restriction effects when adding a period of awarding time to it.

在行权期间与有效期上，本文认为有授予期模式的行权期间最具激励与约束效果，鉴于我国目前的情况，股票期权的有效期要定的适中。

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Article XIII Submission, Receipt and Opening of Tenders and Awarding of Contracts

第13条投标书的提交、接收和开启及合同的授予

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