动词
中文翻译：合同
同义词：
['agree', 'make a contract', 'enter into a contract']
例句：
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1. They have signed a contract to build the new bridge.
他们已经签订了建造新桥的合同。
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2. The company has made a contract with the government for the construction project.
该公司已与政府签订建设项目的合同。
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3.The agreement was made in principle but not in detail.
原则上达成了协议，但细节上没有达成一致。