A new system has been devised to control traffic in the city.
控制城市交通的新系统已经设计出来。
The company has a long tradition of fine design.
这家公司的优秀设计历史悠久。
The country has a poor record on human rights.
这个国家人权记录不佳。
The information has been placed in the public domain.
这资料不受版权保护。
He has carried out extensive research into renewable energy sources.
他已经对再生能源进行了广泛研究。