哥本哈根会议必须体现发达国家履行义务的承诺、指标和行动，这是哥本哈根会议取得成功的根本标志。

The Copenhagen Conference should demonstrate the commitments, quotas and actions of the developed countries to fulfill their obligations, which are also the criteria for the success of the Conference.

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现在越来越多的人可以买得起手机，这是国家繁荣的标志。

Nowadays more and more people can afford mobile phone. Its a sign of the countrys prosperity.

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门中国古代司法官责任规定的法律化、制度化，这是国家管理走向成熟的标志。

First of all, the system of liability of law-officer of ancient China is one of the symbols of the maturity of the administration of country.

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